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
-- Your spoken English is much better now.-- Thanks. Our English teacher often asks me ______ English as ____ as I can.
#61385
A
to talk… many
B
to speak…much
C
to say…many
D
to tell…much
Mary has a toothache(牙痛).She has to_______.
#57640
A
go online
B
use the Internet
C
go to the dentist
D
watch a game show
He is often made ________ for twelve hours a day by the boss.
#56371
A
work
B
working
C
to work
D
to be working