Charles is believed_______ the floor yesterday; he is always helping others silently. 
#97223
A
to sweep
B
to have swept
C
having swept
D
swept
推荐题目
The man needed _____ for one of his legs was badly injured.
#97329
A
to look after
B
looking after
C
look after
D
being looked after
 The witnesses ______ by the police just now gave very different descriptions of the fight.
#90208
A
questioned
B
being questioned
C
to be questioned
D
having questioned