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
—How long _______ at this job?  —Since 1990.
#99296
A
were you employed
B
have you been employed
C
had you been employed
D
will you be employed
John had to have his car repaired in a garage because it ______ seriously.
#100981
A
damaged
B
had damaged
C
had been damaged
D
was being damaged