The new technology, if       to rice growing, will help increase the grain output．

The government will take some effective measures to control the heavy smog_____the northern China. 

All the Chinese people are expecting the government’s four-thousand-billion financial plan ______ around the country, ______ to improve the current economic situation.

You are so dependent that I'm afraid you can't adjust yourself to ______ alone for a time.

It is suggested that all these gifts be mailed immediately _________ in time for Christmas.

 “Hope for the best and prepare for the worst” is a proverb,_______life is beautiful and full of frustrations as well.

_________ their hats into the air， the fans of the winning team let out loud shouts of victory.

Shirley stood in the empty room, ______ so lonely for the first time.

Since her only child passed away a few years ago, family has been a ________ topic for her.

A Nepal plane crashed in bad weather, ________ all 18 on board.

The driver stopped the car      a cat      across the street.

The mayor has announced a plan recently       water pollution of the city. 

— Where is George? He said he would meet me here at 3 o’clock.— He seems       with Mr. Brown in the office.

The boy’s father was the first man        the good news.

Our previous school building,______ like an“E”, was built in1961.

He did what he could______her out of trouble.

---Who’s the man talking to our teacher?---A professor_____a visit our school.

Every morning I get up at 6:00 because I have two dogs ______ at the door for me to take them out for the routine walk.

______her ambition of becoming a professional singer, she has been training very hard since an early age.

When he is awake, he always keeps his eyes       on the ceiling.