—Has Tom finished his task yet?—I’m not sure. But he _____ on it last week
#100481
A
was working
B
has been working
C
worked
D
had been working
推荐题目
I would have come earlier, but I ________ that you were waiting for me. 
#102416
A
hadn’t known
B
didn’t know
C
would have known
D
haven’t know
--- Would you like to______ Mr. Zhang’s lecture this afternoon? --- Sorry, I have a class meeting to______.
#101133
A
attend; join
B
join; attend
C
join; take part in
D
attend; attend