---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
good service, the restaurant offers different kinds of traditional Yangzhou dishes to guests from different places.
#26144
A
Far from
B
Instead of
C
Apart from
D
Regardless of
Being exposed for a long time_____strong sunlight might seriously damage your skin.
#27700
A
over
B
under
C
to
D
in
Many people who were once _______ now get better jobs after further education.
#25595
A
out of trouble
B
out of work
C
in ruins
D
in need