They tried several times to the problem, and in the end they succeeded.
#61763
A
give up
B
work out
C
look through
D
think of
推荐题目
(2013 .济宁) According to the new traffic law, everyone in a car_______ wear the seat belt.
#52735
A
can
B
may
C
must
D
will
This is the first thing you are ________ after you get there.
#54639
A
suppose to do
B
supposed do
C
supposed to do
D
supposed doing
Alice ________ early, but she doesn’t like to ________ early.
#59277
A
gets up; wake up
B
wakes up; gets up
C
gets up; wakes up
D
wakes up; get up
— His passport shows that he ________Canada. — Yes. He went there on business in spring and autumn last year.
#52872
A
has gone in
B
has gone to
C
has been in
D
has been to