He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
推荐题目
. It’s a secret. Why don’t we go and talk about this somewhere quieter? _______, you know.
#34481
A
Once bitten, twice shy
B
Moneytalks
C
Walls have ears
D
Like father, like son
You can’t complain of being lonely you don’t make any effort to meet people．
#33135
A
until
B
when
C
once
D
though
Sherry is in good shape physically _____ she doesn’t do enough sports.
#31292
A
if
B
even though
C
unless
D
as long as
_______you worked late yesterday, you need ’t have come this morning.
#31713
A
Unless
B
Though
C
Once
D
As