I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
推荐题目
It’s me a lot of time to find out what I really want to do in the future.
#51384
A
paying
B
spending
C
taking
D
using
She is kind. She is ready _______ the poor people.
#49595
A
helping
B
to help
C
to helping
D
not to help
Will you please invite him _________ in a writing competition?
#49993
A
joins
B
to joining
C
to join
D
joining
I’m looking forward to _________ Beijing.This summer holiday my family are going to_____ the Oympic Sports Center.
#49521
A
visit , visiting
B
visiting, visit
C
visit , visit
D
visiting, vsiting
— Do I have to sell my old computer? It almost stops working. — You ________ do so, it only needs ________. Something has gone wrong with it.
#48576
A
mustn’t; to repair
B
can’t; repairing
C
needn’t; repairing
D
may not; to repair