When he looked up, he suddenly found himself       by a group of teenagers,       looked at him anxiously.
#103267
A
to be surrounded; which
B
surrounded; who
C
be surrounded; who
D
having been surrounded; which
推荐题目
 A high-tech exhibition ________in the National Museum now. Let’s go and visit it.
#100890
A
will be held
B
is being held
C
was held
D
has been held
After school we went to the reading-room to do some reading, only to be told that it ____________.
#101081
A
was decorated
B
had decorated
C
had been decorating
D
was being decorated
In the school hall, where a meeting       , some students are busy preparing for it.
#102043
A
is held
B
has been held
C
is being held
D
is to be held