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
Tom has much difficulty _______ Chinese so he often asks me ______ help
#50326
A
to understand; with
B
understanding; of
C
to understand; for
D
understanding; for
Mr. Li asks the students in the river, because it’s too dangerous.
#50453
A
swim
B
to swim
C
not to swim
D
to not swim