(2013·合肥一中二模)The school recommends parents ________ their children to swim in rivers or lakes during summer holidays.
#86539
A
not permit
B
do not permit
C
mustn't permit
D
couldn't permit
推荐题目
He       have come here yesterday,        he?
#87985
A
mustn’t, did
B
couldn’t, has
C
must, haven’t
D
must, didn’t
We would have called a taxi yesterday if Harold __________us a ride home.
#87413
A
didn’t offer
B
wouldn’t offer
C
hasn’t offered
D
hadn’t offered