He tried to cope with the ever-increasing burden of his work, but finally he _____ and had to take a complete rest．
#74416
A
broke in
B
broke down
C
broke out
D
broke up
推荐题目
Teachers often use simple examples to _______ language points that are _______ the students.
#69849
A
handle ;puzzled
B
express; puzzling
C
clarify; puzzling
D
conclude; puzzled
If our product ____ unsatisfactory within 7 days in any way, you can take it back.
#73293
A
shows
B
proves
C
makes
D
performs
The professor________ the perfect return of Shenzhou 7 in 2008______ “the most exciting thing in history” in his speech.
#74916
A
referred to; for
B
referred; as
C
referred to; as
D
referred; for
Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.
#71794
A
switch off
B
go off
C
take off
D
bring off