He spent two hours ______ his homework last night.
#49090
A
to do
B
doing
C
did
D
do
推荐题目
It’s easy ______ English and it’s important ______it.
#49674
A
study, use
B
say, speak
C
speak, say
D
to learn, to practice
The students were all tired, but ________of them stopped ____________ a rest.
#50654
A
no one; to have
B
none; having
C
none; to have
D
no one; having
