The world’s population is getting larger
题型:选择题
问题:
The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.
A.keep up with
B.come up with
C.make up with
D.catch up with
The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.
A.keep up with
B.come up with
C.make up with
D.catch up with