There are still many problems ______ before we are ready for a long stay on the Moon.
#88396
A
solving
B
solved
C
being solved
D
to be solved
推荐题目
The result of the study was published last week in New York, a ______ magazine in America.
#98035
A
respect
B
respecting
C
being respected
D
respected
I don't remember___________ to the airport that year.
#98675
A
to be taken
B
being taken
C
having
D
to take
We’ve come to help. Which room do you want ______?
#97422
A
cleaning
B
cleaned
C
to clean
D
to be cleaned
in the ticket hall for almost an hour, I suddenly realized I had left my ID card home.
#94251
A
To wait
B
To have waited
C
Waiting
D
Having waited
Please get someone _____ the washing machine. I want to get it _____ as soon as possible.
#98319
A
to repair；to be repaired
B
repair；repaired
C
to repair；repairing
D
to repair；repaired