问题

Hurry, John!—Oh, damn! Both my legs are nearly togive out. I ____for hours.
A:can stay
B:walked
C:have been walking
D:am walking
B:walked
C:have been walking
D:am walking
正确答案是:
同类题型
I think the environment is becoming worse and worse.— Yes, I really don’t know we can do about it.
The song is, I have to say, not a bit beautiful.–Why It’s ______ than the songs I have ever heard.
He likes _________ for his friends.
The house still needed a lot of work, but _____ the kitchen was finished.[ ]