—What       Jim       last weekend?—He did his homework.
#40346
A
do, did
B
did, do
C
did, did
D
do, do
推荐题目
---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it. 
#41859
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
has done; hadn’t finished