Fresh air, enough exercise and nutritious food ______ to sound health.
#100792
A
devote
B
add
C
contribute
D
stick
推荐题目
---- What’s that noise?       ---- Oh, I forgot to tell you. The new machine ______.
#102011
A
was tested
B
will be tested
C
is being tested
D
has been tested
---Are you still busy?---Yes, I _______my work, and it won’t take long.
#100104
A
Just finish
B
am just finishing
C
have just finished
D
just finished