—Would you like      camping with me?   — I’d like to. But I’m busy        my homework.
#48529
A
to go; to do
B
to go; doing
C
going; to do
D
going; going
推荐题目
My teacher used to _______ a bike to school, but now he is used to ________ a car to work.
#50647
A
ride, driving 
B
ride, drive
C
riding, drive
D
riding, driving
There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
My sister is good at ________.
#49305
A
sing
B
sings
C
singing
D
to sing