The kind teacher devoted all her time ___________ her students.
A. help B. to help C. helping D. to helping
— It’s dangerous to walk across the street carelessly.
— You’re right. We can’t be careful while crossing the street.
A. so B. very C. too D. more
It’s quite clever ________ you _______ out the problem.
A. for； working B. for； to work
C. of； working D. of； to work
---Tom， you play football in the street. ---Sorry， I do it again.
A. needn’t； won’t B. mustn’t； won’t
C. can’t； will D. won’t； can’t
Not only Mr. and Mrs. Green but also their daughter ________ to China twice.
A. have gone B. have been C. has gone D. has been
Could you tell me ____________ a meeting in Guangzhou next week?
A. whether is there going to be
B. whether there is going to have
C. if there was going to be
D. if there is going to be
