精选优质文档-倾情为你奉上五选择填空。( ) 1. When did they _?A. getB. arriveC. reach( ) 2. I went _ a forest and then saw a small river.A. throughB. acrossC. past( ) 3. Dont walk _ the street when the light is red.A. throughB. acrossC. past( ) 4. There is much homework for us _.A. doB. doingC. to do( ) 5. They have gone to Hangzhou. They _ in two days.A. come backB. came backC. will come back( ) 6. The boy is _ r