题目内容：

词汇运用。

◆选择括号内恰当的单词或词组填入空白处，使句意完整、正确。

1.Tom is never       ( worried / worry ) about his lessons because he does well in them.

2. ---Lots of fans ran to the singer on the stage.

---Wow, how _____________(calm/ crazy)!

3.Will I get a ___________(fine/cold) if I break the traffic rules?

4.Why not _____________(let/ invite) Maria to have coffee?