It’s hard for me to ______ him dancing the stomach dance in public!

Astronauts in a spaceship have to _______weightless conditions _______are quite different from ______are on the earth. 

. ---Isn’t it time you __________down to _________ your own things?
---I’m sorry for the delay, Dad.

The clear sky _____ fine weather.

Which of the following sentence is the Wrong translation for “我突然想起一个好主意”?

．I will do what I can_________ the people in trouble .

The world will be different, and we will have to be prepared to ________ the change.

. A notice was ____in order to remind the students of the changed lecture time. 

China’s first compulsory safety regulation on primary buses, which requires every seat to have a seat belt, will ____ on July 1.

Shanghai native Charles Kao and two American scientists were __________ the 2009 Nobel Prize for physics yesterday.