---     Bob doing homework?---No, he isn’t. He is        a letter.
#41826
A
Does, writes
B
Is, writes
C
Does, writing
D
Is, writing
推荐题目
He will send me an e-mail as soon as he _____ in America.
#41946
A
arrive
B
arrives
C
arrived
D
will arrive
—How clean the room is!   —Yes,I am sure that someone _______ it.
#36374
A
cleans
B
cleaned
C
has cleaned
D
had cleaned
She________ her hometown for many years. No one nearly knows her.
#39646
A
has been away from
B
has left
C
had left
D
left