–Why do you look so upset? –The electricity was cut off suddenly and my essay _______ unfinished since.
#99262
A
was left
B
has left
C
left
D
has been left
推荐题目
Have you seen my dog? I _________ for it and still haven’t found it. 
#103475
A
looked
B
was looking
C
have been looking
D
had been looking
-- Have you moved into your new house?-- Not yet. The rooms _______.   
#101122
A
are painting
B
have been painted
C
are being painted
D
have painted
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