-- Why do you look so worried ?-- My MacBook Pro broke down and my paper _____ unfinished ever since.
#100847
A
left
B
was left
C
has been left
D
has left
推荐题目
With the help of high technology, more and more new substances ___in the past few years.
#101737
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
She ________ her hairstyle in her hometown before she came to Chongqing for a better job.
#104792
A
would change
B
has changed
C
changed
D
was changing
Had it been possible I would have gone to the movies, but I ________________ busy.
#100731
A
had been
B
am
C
was
D
would be
Many tall buildings _______ in Shengsi in the past few years.
#103407
A
has been built
B
have been built
C
were built
D
have built
—Got your driving license? —No. I ________ too busy to have enough practice, so I didn't take the driving test last week.
#99448
A
was
B
have been
C
were
D
had been