______, they couldn’t solve the mystery.
#84549
A
Tried hard as they
B
Hard as they tried
C
Tried as they hard
D
They tried hard as
推荐题目
When_________why he was late, he made no answer.
#80805
A
questioned
B
questioning
C
asking questions
D
question
Since the work is so tiring ,I won't accept it even if ________ twice as much the money.
#79837
A
offered
B
being offered
C
to be offered
D
having offered
 We laugh at jokes,but seldom            about how they work.
#79995
A
we think
B
think we
C
we do think
D
do we think
—When on earth will the bus come?We have been waiting here for what seemed long ages.—Look,________.
#84355
A
there comes the bus
B
there is the bus coming
C
there the bus comes
D
there is coming the bus