Peter will his post as the head of the travel agency at the end of next month.

The experiment shows that proper amounts of exercise, if _____regularly, can improve our health [ ]

The stable political and economical situation is considered ____ to the growth of town enterprises.

Let’s play _____ ping pong.—That’s sounds boring. I want to play_____ violin.

I usually have ________ hamburger while waiting for________7: 00 school bus.