Don’t you think you’d better _____A. to have your machine cleaned B. to have cleaned your machineC. had your machine cleaned D. have your machine cleaned

Don’t you think you’d better _____A. to have your machine cleaned B. to have cleaned your machineC. had your machine cleaned D. have your machine cleaned
Don’t you think you’d better _____
A. to have your machine cleaned
B. to have cleaned your machine
C. had your machine cleaned
D. have your machine cleaned

Don’t you think you’d better _____A. to have your machine cleaned B. to have cleaned your machineC. had your machine cleaned D. have your machine cleaned
D
两个句式
you'd better (not) do sth
have sth done

d

Don’t you think you’d better _B_
A. to have your machine cleaned
B. to have cleaned your machine
C. had your machine cleaned
D. have your machine cleaned
you’d better + to do sth,是过去完成时.

DDDD
you'd better后面接动词原形

A
have better to do 词组，意思是最好做什么事