I’m delighted _______ as chairman of the students’ union last winter.

 ---- What do you think made Mary so upset ?---- __________.

 ---How can I help you the most?           --- ________ out of the way. 

The child complained that the old man made no answer when           where he lived．

 “The day is coming _____telegraph wires will be _____on to houses just like water or gas.” He said in his letter to his father.

The audience were ______ by his _______ performance on the stage. 

When I entered the classroom, I saw Mary ______ at the desk and ______ a letter.

We shouldn’t complain about________, because many families are much _____ in the mountainous area.

All the machines stopped _____ with the electricity _____ throughout the factory.

You can’t imagine no one in the village _____ him and what difficulty we had ______ his family.

It’s a pleasure to watch the face of a _____ baby.

When we went past her house, we heard her ____ in her room.

 In the last year, China has sent up many ______ satellites, _______ a weather satellite, a science satellite, a TV satellite and so on.

I prefer ______ at home to ______ outside.

 She was heard _______ at English song.

Mr. Green told us _______ talk loudly in class.

     into the school basketball team is a great pleasure for me． 

If we don’t start now, we must risk     the train.

You never imagine what trouble I have had ______ your house．It took me nearly 2 hours．

The Changjiang River has been polluted badly and is not good _______．