---What        you        when it is snowing? --- I do some washing with my mother at home.
#41782
A
are, do
B
are, doing
C
do, do
D
are, going to do
推荐题目
   ---     Bob doing homework?---No, he isn’t. He is        a letter.
#41826
A
Does, writes
B
Is, writes
C
Does, writing
D
Is, writing
I’m sorry you’ve missed the train. It _______ 10 minutes ago.
#41855
A
has left
B
had left
C
left
D
has been away
-  _  he like math?   一 Because it's difficult.
#37995
A
Why does
B
Why don't
C
Why do
D
Why doesn't