The world’s population is getting larger and larger, so scientists are trying to _______ new ways to solve the food problem.
#56879
A
catch up with
B
keep up with
C
come up with
D
make up with
推荐题目
The old man ______ him______ the money for his study.
#57040
A
offers; to
B
provides ; to
C
offers; with
D
provides ; with
We have to _________our school trip till next week because of the heavy rain.
#60571
A
put off   
B
put on   
C
put up   
D
put down
If you want to go camping, I will _________ a tent ________ you.
#63733
A
provide; with
B
provide; for
C
providing; with
D
providing; fo