The man stopped from time to time_______whether he was being followed. 
#98829
A
as if found
B
as to find
C
as if to find
D
when found
推荐题目
To learn to speak English well,_____.
#97514
A
much practice is needed
B
one needs much practice
C
much practice is needed by one
D
one is needed much practice
The students expected ____ more reviewing classes before the exam. 
#95664
A
there to be
B
there are
C
there being
D
there to have