The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.
#58925
A
keep up with
B
come up with
C
make up with
D
catch up with
推荐题目
---Have a cup of coffee, please. ---Thank you. How nice the coffee !
#53186
A
feels
B
looks
C
smells
D
sounds
When the dancers stopped to us, we all couldn’t stop excitedly.
#53872
A
waving; to shout
B
to wave; shouting
C
to wave; to shout
D
to waving; shouting
Tom with his parents______ to America. They_____ back in two weeks.
#58761
A
have gone; will come
B
has gone; will come
C
have been; have come
D
have been; come