Scientists from different countries are trying to_______ a good way to solve the energy problem.
#56513
A
keep up with
B
come up with
C
catch up with
D
meet up with
推荐题目
Our parents can _______ us ________ food and clothes.
#59493
A
provide; with
B
provide; /
C
provide; for
D
provide; as
How _______ the song she sings sounds! I have never_______ a better voice.
#53287
A
beautifully; sounded
B
beautiful; heard
C
sweet; listened to
D
sweet; sounded
My father likes _______ books and ______TV very much.
#58018
A
looking, watching
B
reading, watching
C
watching, seeing
D
seeing, reading