With Shanghai World Expo drawing near, volunteers are making use of every minute to ____ their foreign language because language volunteers must pass a written test and an interview. 
#71788
A
polish up
B
take up
C
use up
D
make up
推荐题目
My command of English is not ____ yours.
#82017
A
as half as
B
so half good as
C
good as half as
D
half so good as
.Our teacher is very busy.He is ________ in working out a teaching plan.
#63908
A
involve
B
involving
C
involved
D
to involve
 I ____ my father ____ and he did so.
#82570
A
advised; to stop smoking
B
tried to persuade; to give off smoking
C
persuaded; to give up smoking
D
suggested; to stop to smoke.