题目内容
It will be a long time ________ Frank ________ back from abroad.
[ ]
A.before; comes
B.since; has come
C.when; will come
D.after; will
答案:A
练习册系列答案
相关题目
题目内容
It will be a long time ________ Frank ________ back from abroad.
A.before; comes
B.since; has come
C.when; will come
D.after; will