Fruit and vegetables are good for us. We need them __________ healthy.
#48814
A
keep
B
keeping
C
to keep
D
keeps
推荐题目
— Why don’t you watch TV at home？— I’d love to, but my mother doesn’t allow me _______ that.
#48411
A
do
B
did
C
to do
D
doing
— What do you often do in your free time?— I spend all my free time ______ English.
#49577
A
practise
B
practises
C
to practise
D
practising
Although we’ve learned English for years, we have trouble _____ the foreigners.
#50181
A
understand
B
to understand
C
understanding
D
of understanding