His friends never made jokes about the hair because ______.

His army never came under the yoke of invaders.（）

Niu Lang（）his lonely and poor life with an old cow, his only friend.

He insists his political views, and never ______.

He talked_________he had never met me before， which made me quite embarrassed．

However, as my friend who lived on the different floor put it, she must never be shy.

Laura has made a promise to her friends and will notbeak her promise.

The speaker clicked more on his conservative friends ’ than on liberal friends’ links.

He is very _______ in his family and never does anything against his wife．

He failed many times in his work, but he never gave up his attempt in _____.

Chris was very _____ of his own abilities so he never gave up his faith.

His dead mother never thought he could do anything.

He climbed the _____ hill with his friends yesterday.

Jim left his work because he wanted to see his friend in another town.

According to his friend's opinion, the poor relatives would stop going there so often because______.

He notofoed his friends that his address had changeD．

His friend accompanied him to a concert.（翻译)

Glaser made his discovery by （）．

There were three cars outside his friend's house at least.

He gave his work to his friend to_____, because he found it hard to see his own mistakes.

Mike is l_____ . He never cleans his room.

She is very friendly and never says a bad word about anyone

William Simmons made his subjects（）

I can never remember （) drawer he keeps his shirts in.

Man has always wanted to fly.Some of the greatest men in history have thought about the problem.One of these，for example，was the great Italian artist, Leonardo da Vinci(达·芬奇).In the sixteenth century he made designs for machines that would fly.But they were never built.Throughout history, other less famous men have wanted to fly.An example was a man in England 800 years ago.He made a pair of wings from chicken feathers.Then he fixed them to his body and jumped into the air from a tall building.He did not fly very far.Instead，he fell to the ground and broke every bone in his body.