Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.
#94806
A
before
B
since
C
when
D
after
推荐题目
The ____ is that the new machine will arrive tomorrow.
#94971
A
chance
B
luck
C
happening
D
accident
The poor young man is ready to accept ________ help he can get. 
#95100
A
whichever
B
however
C
whatever
D
whenever
It is a long time ____ they separated, but it won’t be long ____ they meet again.
#92303
A
since; before
B
after; when
C
since; when
D
after; before
Come and look after my baby if _______ tomorrow.
#93069
A
you are convenient
B
you’ll be convenient
C
it will be convenient to you
D
it is convenient to you