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
I have trouble dealing with the problems, but I will never .
#53168
A
make up
B
give up
C
wake up
D
cheer up
—Your paintings are so great, David! When did you learn ______?—Three years ago.
#60350
A
to meet
B
to swim
C
to paint
D
to sing
It’s very kind of you to so much time showing me around your school.
#63731
A
take
B
spend
C
cost
D
have
When she _____ the newspaper, the baby _____ asleep．
#54399
A
read; fell
B
was reading; was falling
C
read; was falling
D
was reading; fell