--These days I can only sleep for four or five hours at night as I’m too busy with my research work. --If you keep going on like that, you are sure to ______ sooner or later.
#75283
A
break down
B
get down
C
calm down
D
put down
推荐题目
---Have you _____ completing the work given by your boss?---Not yet, though I have tried to.
#66873
A
devoted to
B
succeeded in
C
failed in
D
managed to
---Jack can't concentrate on his study recently． --- Yes, that might ____ why he did so badly in the last test．
#66519
A
answer for
B
apply for
C
call for
D
account for
The whole book ________ twelve units, ________ two that are mainly for revision.
#82893
A
contains; including
B
includes; containing
C
contains; containing
D
includes; including
With the pressure ________, she was off work for weeks because she couldn’t stand it any more.
#71428
A
picking up
B
making up
C
building up
D
putting up
The computer system________suddenly while he was searching for information on the Internet.
#65611
A
broke down
B
broke out
C
broke up
D
broke in