traditional Chinese calendar, each year _________a name of 12 kinds of animal.

Tom shut everybody out of the study ___ he could prepare for the coming exam

I wonder what makes you a successful manager.—I _______as a waiter for five years and it makes a lot of contributions to my today’s work.

The woman sitting next to me ________ very nervous, for she had never travelled by air

s are like leaves, ________ everywhere, but truefriends are like diamonds, precious and rare.