— Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
#101403
A
had left
B
has been left
C
has left
D
was left
推荐题目
 If it ______ too much trouble, I’d love a cup of coffee.
#100187
A
isn’t
B
wasn’t
C
weren’t
D
hadn’t been
With the gas _____, they had to quit the car and walked.
#103339
A
has run out
B
running out
C
ran out
D
be run out
 I ______ this book for two weeks. I have to return it now.
#101638
A
have borrowed
B
have kept
C
have lent
D
have returned