【题目】We should thank the man. He always does what he canus.
A.helps
B.to help
C.help
D.helping

【题目】一What should we take when going birdwatching? 一 We should take a pair of binoculars ____________the birds clearly.
A.see
B.seeing
C.to see
D.sees

【题目】 The policeman told the children _________ play in the street.
A.can't
B.to not
C.don't
D.not to

A. have；inB. has；inC. has；onD. have；on

【题目】The traffic signs warn people after drinking.
A.todrive
B.nottodrive
C.driving
D.don'tdrive

【题目】If all of us pull together, there must be something we can do _____.
A.improve the environment
B.to improve the environment
C.improving the environment
D.improved the environment

A.coldB.feverC.coughD.toothache

【题目】He can do what he can______ the children in his neighborhood.
A.help
B.to help
C.helps

【题目】We advise parents _____ their children at home alone in order to keep them away from danger.
A.not leave
B.not to leave
C.leave
D.to leave

【题目】Jane was shy. She would not invite her classmates____speaking English.
A.practice
B.practices
C.practicing
D.to practice