aross ,across,crossing
1.Turn left at the third(crossing),and then you'll see thr hospital
2.Don't (aross)the street when the light is red
3.Let's help the blind man go (across)the street
take,bring
4.Don't (take)the books away from the bookshop
5.Don't remember(bring)the English reference books for me tomorrow
用适当的情态动词填空
1.（Can）i go surfing alone this afternoon,Dad?
No,you(cannot).It's dangerous.
2.Cars,buses and bikes (should)stop when the traffic lights are red.
3.Listen!Helen is singing in the next room.
It (mustn't)be Helen .She has gone to Beijing.
4.(may)I ask a question?
Sure.But you (have to)wait a minute.