题目内容：

阅读下面短文，从短文后各题所给的四个选项中选出能够填入空白处的最佳选项，并在答题卡上将之涂黑。

When my twin sons, Chad and Brad, were born, I was concerned about everything． Five years later, our little girl, Becky, _________   our family．I wanted everybody to be healthy and happy．I worked hard to see that they _________．

As the kids grew older, I worried about headaches, throat infections and many other _________  childhood illnesses．I didn't like it when the boys spent time "warming the bench " during Little League football games．I worried about Becky when she _________   the ball while playing softball．Before long, the teen years were upon us. I stayed _________  late night waiting for the boys to return home. Many times the _________ crossed my mind that I would call the police if they weren't home on time．__________, they always arrived home safe and sound _________  I had to take such measures.

"Please don't ever call the police," one of the boys said when I _________  him after a late arrival. The day the boys moved away to college was a _________ day indeed．I worried about their being able to take care of themselves．Would they starve?

A few months after the boys left college, our _________rang in the middle of the night． It startled （惊醒） us when we looked at the clock．It was 3 o'clock in the morning．" _________ must be wrong," I shouted to my husband, Roy, as we both jumped up．We ran to the door, opened it, and there _________ a police officer．

"You need to _________  your sons," he seriously announced. I picked up the telephone, but unfortunately, it was _________. A line outside had been accidentally cut．Roy and I jumped into the car and _________  to the nearest telephone. My stomach ached．My husband was _________   so badly that he could hardly dial the number.

On the first _________  , Chad answered the telephone．"What's wrong?" Roy shouted into the receiver．

"We were worried about you," Chad told him．"We've been trying to call you all night, but you didn't   _________  . We called the police and asked them to go and check on you."

For the first time in their lives, the boys were worried about us. And they were the ones who   _________  had to call the police.

1.A．tested       B．visited      C．completed     D．appreciated

2.A．were         B．had          C．did            D．would

3.A．serious      B．incurable    C．unusual        D．common

4.A．hit          B．missed       C．got           D．threw

5.A．down         B．in          C．out            D．up

6.A．plan         B．thought      C．worry          D．advice

7.A．Luckily      B．Probably     C．Strangely      D．Exactly

8.A．before       B．when         C．after          D．since

9.A．surprised    B．told        C．threatened     D．reminded

10.A．nice       B．sad         C．happy          D．embarrassing

11.A．phone       B．doorbell    C．alarm         D．clock

12.A．Everything  B．Anything    C．Something    D．Nothing

13.A．came       B．greeted     C．turned        D．stood

14.A．call       B．email       C．see            D．educate

15.A．gone       B．useless      C．dead          D．stolen

16.A．headed      B．rushed      C．went           D．moved

17.A．shaking     B．looking     C．suffering     D．seeing

18.A．night       B．arrival      C．ring           D．try

19.A．talk        B．care         C．wake           D．answer

20.A．frequently  B．suddenly     C．rarely         D．actually