A.to | B.on | C.at | D.from |
A.watch out | B.fall down | C.cut yourself |
A.can | B.would | C.mustn’t |
A.walking | B.walks | C.walk |
A.get hurt | B.have a headache | C.get sick |
A.running | B.run | C.is running |
A.yourself | B.you | C.yours |
A.keep | B.keeps | C.keeping |
A.go into | B.go out | C.walk |
A.hurt myself | B.hurt himself | C.hurt yourself |