Not a single book is allowed _________ out of the reading room according to the new rule.
#93009
A
to take
B
taking
C
to be taken
D
being taken
推荐题目
The Great Wall is __________ tourist attraction that millions of people pour in every year.
#92521
A
so a well-known
B
a so well-known
C
such well-known a
D
such a well-known
It was not until the teacher had explained it three times _______ how to work out the problem.
#92129
A
did he understand
B
had he understood
C
that he understood
D
that he didn’t understood