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
Hundreds of species are declared to _____ in the coming century.
#76119
A
die away
B
die out
C
die down
D
die off
—Nancy, would you please remove the big box here to make some room for my books?— Of course, but_____, I want to select some of your books to read.
#64217
A
as a matter of fact
B
as a reward for
C
in turn
D
in return
-- I’m still working on my project. -- Oh, you’ll miss the deadline. Time is __________.
#64867
A
running out
B
putting out
C
running out of
D
using up
He slowed the bleeding by pressure to the wounds until the ambulance arrived.
#68890
A
assessing
B
approving
C
applying
D
appointing
9. 一I must apologize_____ you know ahead of time.一That’s all right.
#84477
A
for letting not
B
for not letting
C
to let not
D
not to let