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
I don't like the big computer. It __too much money and __up a lot of space
#54973
A
takes...not
B
costs...costs
C
takes...takes
D
costs...takes
We still couldn’t decide _________ with our difficulties in learning English.
#58279
A
how to do
B
how to deal
C
what to deal
D
what to solve
The global financial crisis(金融危机) has made many people ______ their money.
#60583
A
to care for
B
took care of
C
be careful with
D
to be cared about
—Where is Tom? We can’t find him anywhere. —Perhaps he_____ home.
#54001
A
has gone
B
is going
C
went
D
was going
A number of foreign visitors ______ Chengdu many times because it is such a beautiful city.
#53738
A
have been to
B
has been to
C
has gone to
D
have gone to