(2012·山东高考)George returned after the war, only ________ that his wife had left him.

(2013·山东高考)I stopped the car ________ a short break as I was feeling tired.

The two countries agreed to ________ their differences and work together for peace, which has a positive effect on the international situation.

With a large amount of work ______, the chief manager couldn’t spare time for a holiday.

Nowadays, Internet shopping will really_____when people are  sure   that it is safe.

Telling twins apart as an adult is hard enough, but what happens when a baby meets someone who____exactly her dad?

The government has been under growing pressure to ______ the causes of air pollution as smog frequently smothers the country's large cities．

Some solid evidence proves that water really exists on Mars, but unfortunately, there is still no             of life.

From his ______ look, we could see the boy was ______ of the     stranger.

Our English teacher often creates a(n)      in class for us to communicate like native speakers