题目内容：

Keeping pets is nothing strange nowadays. Is_______good for people to keep pets in their house? People have different opinions.

Quite_______number of people think that it's good to keep pets in the house, especially for the old. The pets can keep them from being lonely as well as make them_______safe. If children keep pets, they______more caring and responsible. Because they need to look after their pets as_______as they can to keep them healthy. So keeping pets is quite a good way for young parents to educate their children. What's more, your house______care of by pets when there's no one at home.

However, some people disagree________those pet owners. These people think keeping pets is not healthy_______pets may have more viruses. Besides,carrying pets with you when taking public transportation is not so convenient, because________might feel uncomfortable.

As to me, if one keeps pets, he or she should treat them in the right way. For example, they should wash pets often to keep them_____. And never forget to spend some time with pets every day.

1.A.this      B.that       C.it              D.these

2.A.a        B.an        C.the             D./

3.A.feeling   B.feel         C.felt             D.to feel

4.A.become  B.becomes     C.will become     D.became

5.A.careful   B.more careful  C.more carefully    D.carefully

6.A.can take  B.must take    C.must be taken     D.can be taken

7.A.at       B.for          C.with            D.in

8.A.since     B.although    C.so              D.until

9.A.other     B.others      C.the other        D.the others

10.A.clean    B.cleaning    C.to clean         D.cleaned