-- Hello, this is Jack. May I speak to Tom?-- Sorry, he isn’t in at the moment. If he _______ back, I’ll ask him to call you back.
#41008
A
come
B
comes
C
have come
D
came
推荐题目
Generally speaking, nobody will work with _____ has a bad virtue.
#74055
A
no matter who
B
anyone
C
whomever
D
Whoever
Only when       possible to settle the problem.
#67697
A
our teacher comes will it be
B
does our teacher comes will it be
C
our teacher comes it will be
D
has our teacher come will it be
 You’d better make a mark ______ you have any questions.
#71971
A
at which
B
at where
C
the place
D
where