--- Did they have fun _____________?    --- Yes, they did.
#51333
A
to camp
B
camped
C
camping
D
camp
推荐题目
Why not _________ an English club to practise _________ English?
#49240
A
join; speaking
B
to join; speaking
C
join; to speak
D
to join; to speak
Every day I spend two hours ______ my homework.
#49479
A
finishingtodo
B
finishingdoing
C
tofinishtodo
D
tofinishdoing
They decided              to the mountain. 
#49735
A
hiking
B
on hike
C
to hike
D
not hiking
–I feel tired and sleepy. –Why not stop __________?
#50602
A
to relax
B
breaking
C
resting
D
to work
I decided _______ fish for lunch today.
#50291
A
to eat
B
for eating
C
eat
D
on eat