--What        you         for your vacation? --I plan to visit my grandparents.
#40530
A
do, do
B
are, doing
C
did, do
D
are, do
推荐题目
Echo       for half a month. She’ll come back in two months.
#40278
A
left
B
leaves
C
has left
D
has been away
If we __________ careful,fire can be dangerous。
#41667
A
don’t be
B
are
C
aren’t
D
won’t be
She         a pen , but I       a  ruler .
#40246
A
have , have
B
has , has
C
has , have
D
have ,has