动词填空。

1. How do you study Chinese? By ______ (read) a lot of books.

2. You need _____ (wear) warm clothes, or you'll catch a cold.

3. Students should be ______ (ask) to study hard.

4. There are about eight ______ (million) people in our city.

5. I'd wait for her to introduce _______ (she) to me

6. If I _______ (be) you, I _______ (take) a long walk before going to bed.

7. I spend half an hour _______ (watch) football matches.

8. She 'd invite me _______ (have) dinner at her house.

9. I listened to a song _______ (call ) Heart String.

10. This book must belong to _______ (he).

一些地方出台相应制度，对见义勇为者进行法律援助和奖励。这样做 [ ]

①有助于维护社会正义

②只能使见义勇为者受益

③能够促进社会公平正义

④有助于形成良好的社会风尚

A、①③④

B、①②④

C、③④

D、②④