Last week the students did the experiment in order to_______ if iron rusts in dry air．
#73769
A
look for
B
look at
C
find out
D
find
推荐题目
When did China __ the first man-made satellite to circle the earth, do you know?
#80518
A
send for
B
send up
C
send off
D
send out
It______ a calm head to find the best solution to such a difficult problem within a short time.
#82456
A
costs
B
takes
C
spends
D
needs
For her, happiness ________ helping those in trouble.
#69708
A
consists of
B
consists in
C
makes up
D
lie in