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
---With 4G mobile phones, people can even see each other as they talk. ----Really? Would you show me it, please?
#53901
A
how to use
B
when to use
C
where to use
D
what to use
－Excuse me, does Mr Smith’s son live here?－He _________ be here, but he has moved.
#60880
A
has to
B
used to
C
tried to
D
happened to
Bob used to ________in the countryside . But now he is used to _________in the big city .
#53090
A
live; living
B
living ; living
C
living , live
D
live,live