—Why is the classroom so dirty?—Sorry，sir. It yesterday, We forgot to do it.
#39874
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
推荐题目
They say this kind of fruit good and well.
#41661
A
tastes; is sold
B
is tasted; sells
C
tastes; sells
D
is tasted; is sold
We are glad to hear that the Greens _____ to a new flat next week.
#42230
A
move
B
moved
C
will move
D
have moved
Father was very angry because his favorite glass ________ by his pet dog.
#36239
A
broke
B
has broken
C
was broken
D
has been broken