问题

Do you consider it any good _____ psychology
A:didn’tknow
B:hadn’t known
C:don’tknow
D:haven’t known
B:hadn’t known
C:don’tknow
D:haven’t known
正确答案是:
同类题型
sig Chinese kung fu can not only ________ one’s strength, but also develop one’s character
I advise you to give up smoking for it is _____to your health.
The English exam is coming tomorrow! I’m worried about it.– I’m sure you will make it.
The day before yesterday John was dismissedbecause of his _____ attitude towards his job
Not only the students but also the teacher ___enjoying the film at 9 pm yesterday.