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
They gave a(n)________broadcast while the performances were in process on the stage.
#18970
A
lively
B
alive
C
living
D
live
The result is not very important to us，but if we do win，then so much ________.
#17732
A
the best
B
best
C
better
D
the better
These clothes of the latest style are on sale this weekend, with another 10% discount for ______ customers, for example, members of our shop.
#19532
A
regular
B
ordinary
C
general
D
usual
As a ______ boss, he expected total loyalty and dedication from his employees.
#20451
A
demanding
B
demanded
C
demand
D
having demanded