---Where has Mary been? I haven't seen her all day?---Oh,in order not to be disturbed, she spent the whole day __in the study, ___ her report.
#98898
A
locking;preparing
B
locked; prepared
C
locked; preparing
D
locking; prepared
推荐题目
This machine is very easy______. Anybody can learn to use it in a few minutes.
#90027
A
operating
B
to be operating
C
operated
D
to operate
by the thunder, the little girl dare not sleep in her bedroom.
#88606
A
Frightened
B
Frightening
C
Having frightened
D
Being frightened
This machine is very easy _______. Anybody can learn to use it in a few minutes.
#90906
A
operating
B
to be operating
C
operated
D
to operate
_____ he’s only been learning English for a year, he speaks it very well.
#98838
A
Considered
B
Considering
C
Having considered
D
To consider