---What are you busy with ?--- We are carrying out a research ____ the causes of cancer.
#27580
A
into
B
onto
C
to
D
in
推荐题目
Luis is____a lot of stress right now because he has been addicted____drugs.
#29023
A
on; to
B
under; to
C
with; into
D
in; in
The man，suspected________having stolen the jewels of the shop，was missing last night，although he was watched over by the police.
#26239
A
of
B
for
C
about
D
with
In yesterday’s football game, our school football players performed well – they were in____ of the ball most of the time.
#28378
A
favor
B
need
C
memory
D
possession