He devoted most of his time to researching into space, believing his hard work would ______ sooner or later.
#73539
A
pay back
B
pay for
C
pay off
D
pay up
推荐题目
—Have we ________water?—Yes, ________. We’d better get some.
#71244
A
given out; we have run it out
B
run out of, our water has run out
C
used up; our water has been run out
D
run out; our water has run out