Many students thought about the third question for quite a while and had great difficulty answering it. Obviously, it was _____ all.

（ ） he often forgot their wedding anniversary greatly annoyed his wife.

Such problems （ ） air pollution and traffic jams are becoming more and more serious in some big cities.

The Vice Chairman of the conference is （ ） inviting the VIPs.

_____ breaks the law will be punished sooner or later.

A car （ ） Jane’s cat and sped away.

Her （ ） to the job left her with very little free time．

I love thinking of new designs. It keeps my mind clear and active and fills my retired life with （ ）.

It （ ） that the jewels had been stolen by a traveler.

It is very expensive to （ ） the fashion.

Most Chinese like tea, but some prefer coffee _____tea.

Thank you for your letter of May 6, in which you _____ about the bicycles of Model 897.