You are sure to fail the exam _________ you study hard.

I feel honored to introduce Mr White to you, without _________consideration our project would have ended in failure

1． The number of students in class ten sixty-six,and a large number of them JayZhou.

Bill, can I get you anything to drink— __________.

I enjoy the popular dance “hip-hop”,but _____ my father ____ my mother likes it.