— Why do you look so worried? — My MacBook Pro broke down and my paper ______ unfinished since.
#100028
A
has beenleft
B
hasleft
C
left
D
hadbeenleft
推荐题目
--We ________ that you would fix the TV set for us.--I’m sorry, but I was too busy, so I ________.
#102801
A
had expected; had fixed it
B
expected; fixed it
C
had expected; had it fixed
D
expect; fix it
—Why? Where is the key to the meeting room? —Dear me! You ______ it in the taxi!
#104446
A
had never left
B
didn’t leave
C
never left
D
haven’t left
一I’m sorry! I would have taken him to hospital if I had known he was seriously ill.一But ______ .
#99985
A
you didn’t
B
you hadn’t
C
he wasn’t
D
you aren’t
．— Has Tom finished his report so far? — I have no idea．He ______it this morning．
#103801
A
did
B
has done
C
was doing
D
had done