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
It is very important for us parents to be ______ ___in educating children.
#18173
A
common
B
similar
C
consistent
D
available
Those T-shirts are usually ＄35 each, but today they have a (an)＿＿＿price of ＄19 in the shopping center.
#20763
A
regular
B
special
C
cheap
D
ordinary
As we have known from the map of the world，this is ________.
#19049
A
twice as large an island as that
B
twice as large as that island
C
as twice large as that one
D
twice as a large island as that
He got completely when he saw both Lucy and Lily, who are twin sisters.
#18872
A
confusing
B
confused
C
confuse
D
confuses
Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
#19805
A
surely
B
likely
C
probable
D
possible