问题
I’m going to the States—– How long ______ you ______ in the States?
A:are; stayed
B:are; staying
C:have; stayed
D:did; stay
B:are; staying
C:have; stayed
D:did; stay
正确答案是：
同类题型
I can’t remember _______ you started doing the work
Glancing ______ his shoulder, Eric could see the dog was running after him
Excuse me, Maria. Can I use your bike—Sure. Here you are. But you must return it _____ time.
Parents，of course，will do everything they could to________their children from harm