It is required that passengers remain ________ when the plane is taking off or landing.

 _______ on the fact, the report should be reliable.

American is an ________ country. You can hear _______ every where.

Do remember to be ________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.

 _______ never to come back again, the girl left the poor village without saying goodbye.

In the plane crash accident, the chance of the pilots’ survival is ______. 

Mr. Smith was _______ of the _________ speech.

____________, I’ll visit you next Sunday.

Please remain _________ until the plane has come to a complete stop.

There were no tickets _________ for Friday’s performance so we went to the cinema instead.

______ in his book, he didn’t notice me when I entered the room.

He became inspired when he thought about helping ordinary people       to cholera.

The poor man , ________，ran out of the dark cave.

The _______ scene in the earthquake-stricken area made some people _______ . 

 The food she has prepared for the party is not enough, for there are _____people than she expected．

Tom is senior _______  most other students in our class .

We should be _________with ourselves and lenient (宽容的) towards others 

In order to protect the trees, the old man lives _________ in a _________ house, but he doesn’t fell _________.

The audience were so ______ by his humorous performance that they kept laughing all the time. 

 He was ______ about his ______ son, who is always skipping classes.