After many years’ hard working, his parents managed to ________ the debts for his education at university.
#72542
A
pay for
B
pay back
C
pay off
D
pay out
推荐题目
Roads in this mountain area used to be ______; people found it hard to travel here.
#71307
A
in poor conditions
B
in good condition
C
in poor condition
D
in a poor condition
We should protect the environment, for plenty of fresh air ________ to good health.
#72963
A
adjust
B
contributes
C
distributes
D
attributes
I don't think Jack is a man to be when we are in trouble and need his help.
#63871
A
hoped for
B
related to
C
expected from
D
relied on
With the help of high technology, more and more new substances ______ in the past 10 years.
#71929
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
Newly-developed materials for spaceships can _______ extreme weather conditions.
#72521
A
hold
B
support
C
stand
D
compete