Stay awake! You should know that it ________ to sleep in class.
#100994
A
doesn’t permit
B
is not permitted
C
will not be permitted
D
was not permitted
推荐题目
The man whose songs we are fond of ____ in our city next week.
#104221
A
singing
B
to sing
C
will sing
D
sang
Land animals are believed ______ from sea animals.
#103259
A
to have developed
B
to have been developed
C
having developed
D
having been developed
—Watch!  —I ____ but ____ I ____ anything unusual. 
#104209
A
watched; have watched
B
have watched; am not seeing
C
was watching; wasn’t seeing
D
am watching; don’t see