--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
—Do you think we should accept that offer?— Yes, we should, for we ___such bad luck up till now, and time __ out.
#103198
A
have had; is running
B
had; is running
C
have; has been run
D
have had; has been run
The timetable says the school bus _________ here for the first trip at 6:30 am.
#101824
A
will leave
B
left
C
is leaving
D
leaves
She is a hardworking student, and all her spare time she has ________ staying in the library.
#99458
A
spent
B
is spent
C
to spend
D
to be spent
Nobody but doctors and nurses and those ___________by Dr.Hu____________to enter the patient’s room.
#101622
A
invited; is forbidden
B
are invited; are forbidden
C
being invited; forbidden
D
invited; are forbidden
Many scientists believe sea levels ______ by more than one meter by the end of the 21st century.
#100381
A
will be risen
B
will have risen
C
will have been
D
will be rising