问题
You seem tired, David.—YesI _____ all day long and can’t wait to go to bed now
A:am working
B:had been working
C:have been working
D:was working
B:had been working
C:have been working
D:was working
正确答案是:
同类题型
What did your parents think about your decision— They alwayslet me do _______I think I should.
That’s me when I got married Seewhat I look like now!—Why not go on a diet to get into ____
We need an immediate reply. –I see . I’llsend the paper to you_____.