Tom _    _ his room every day. He           it now.
#41522
A
cleans, clean
B
cleans, cleaning
C
cleans, is cleaning
D
clean, is cleaning
推荐题目
Linda, with her parents,_______ the Wolf Hill, and they will be back this afternoon.
#42030
A
has gone to
B
have gone to
C
has been to
D
have been to
Many doctors and scientists are working hard on curing AIDS. We hope AIDS _____ one day.
#41672
A
will cure
B
will be cured
C
will treat
D
will be treated
—Have you ever visited Germany?—____________. But I expect to go there again.
#42245
A
Perhaps
B
No, I haven’t
C
I don’t know
D
Yes, I have