问题

How long ago ___ studying at the middle school?
A:did you stop
B:have you stopped
C:has you stopped
D:do you stop
B:have you stopped
C:has you stopped
D:do you stop
正确答案是:
同类题型
Now more people prefer a house in a coast city to ____in such a large city as Beijing
___ he came to study in the university, he has made much progress in the study of English
John was walking on air when he knew his fatherbought him a computer.
How have you been doing recently?—-________Nothing really goes wrong