(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
．—I did not know you were good friends．—You___．I have known her since she moved here．You were abroad then．
#88349
A
may have
B
needn’t have
C
couldn’t have
D
must have
Teachers suggested parents their children under 12 to ride bicycles to school for safety.
#87502
A
shouldn’t allow
B
don’t allow
C
mustn’t allow
D
couldn’t allow
---I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.--- Oh, it ____ my uncle. He was in my room then.
#87747
A
must have been
B
should have been
C
must be
D
should be
There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .
#89751
A
can''t e
B
shouldn''t be
C
mustn''t have been
D
couldn''t have been
I ______ Peter with his work, but I had a lot of things to do myself.
#86588
A
must have helped
B
should have helped
C
needn’t have helped
D
can’t have helped