A.Do you have a helmet(头盔)? |
B.Let’s go to the park. |
C.Can you ride a bike? |
D.Please take the helmet with you. |
E.Shall we go there by bike? |
F.We should pay attention to the traffic lights. |
A.safely | B.safety | C.safe |
A.mustn’t | B.can’t | C.must |
A.Look; look out for | B.Look at; look out | C.Look out; look out for |