-- 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
The building which _____ now will be our science laboratory.
#103024
A
is being built
B
will be built
C
is built
D
has been built
If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
#100783
A
are not observed
B
is not observed
C
were not observed
D
was not observed
The cinema ______ ten years ago when we first moved to this town.
#99316
A
built
B
has built
C
was built
D
would be built