The students were ________ over the ________ problem，listening to the teacher with a ________ expression on their faces.
#19060
A
puzzled；puzzling；puzzling
B
puzzled；puzzling；puzzled
C
puzzling；puzzling；puzzled
D
puzzling；puzzled；puzzling
推荐题目
The purpose of this project is to make children________in reading aloud.
#18589
A
interest
B
interesting
C
to interest
D
interested
Today the Zhongxin Department store is on sale .Many things have ______prices .
#20729
A
regular
B
special
C
cheap
D
ordinary .
Most parents are not __________ the danger of their babies’ eating jelly, which causes most unfortunate incidents to happen.
#19463
A
well aware to
B
very aware of
C
aware that
D
well aware of
He is __________ every day.He has never been late for school.
#20562
A
busy
B
diligent
C
careful
D
punctual
After the new technique was introduced, the factory produced _____ cars in 2010 as the year before.
#18856
A
as twice many
B
as many twice
C
twice as many
D
twice many as