Question

D Look,read and complete (看圖，補(bǔ)全句子)

1 We can see this sign in the park.

It means we   on the grass (草坪)

2 We can see this sign   。 

It means     。

3 We can see this sign   。

It means     .

4 We can see this sign   。

It means      .

Answer 1

D 1 can't/shouldn’t/mustn't walk

   2 in the library/on the metro/in a bookshop; we can't/shouldn't/mustn't eat or drink there

   3 in the street/on the road; we can't/shouldn’t/mustn't turn left

   4 in the library/reading room; we can't/shouldn't/mustn't talk loudly there.