——Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.
#41875
A
doesn't clean
B
didn't clean
C
isn't cleaned
D
wasn't cleaned
推荐题目
—I’d like you to tell me something about Shen Nongjia.—I’m sorry, but neither Jack nor I there.
#38950
A
have been
B
has been
C
have gone
D
has gone
-- __________ you __________ breakfast? -- Yes, I had it at 6:30.
#41554
A
Had; had
B
Have; had
C
Are; having
D
Were; having
Jim______ to the shop. He’ll be back_____ an hour.
#40624
A
has gone; after
B
has been; in
C
has gone; in
D
has been; after
--- I’d like to introduce my best friend to you , Peter .---- Thank you , Lucy . But we __________already .
#39396
A
meet
B
met
C
will meet
D
have met