________, she is the sort of woman to spread sunshine to people through her smile．

Shy and cautious

Sensitive and thoughtful

Honest and confident

Light-hearted and optimistic．

Many lifestyle patterns do such ________ great harm to health that they actually speed up ________ weakness of the human body．

a; the

a;/

/; the

/;/

The teacher had a _________ look when he found that none of his students had finished his homework．

shocking

shocked

bored

boring

_________ a smile on his face, he took off his sunglass and said “Hello” to me．

For

As

With

From

He is always the first student _________ the exam paper, though he doesn't finish it．

hand in

to hand in

handing in

handed in

My elder brother has gone to Tibet to work as a volunteer teacher．Influenced by him, I also want to become _________ when I graduate from the university．

that

it

this

one

It is not easy for a great star to _________ when losing his ability of taking care of himself．

pull through

let out

wake up

take up

People living in the desert choose to keep their ancient lifestyles and customs, _________ people in cities throw away their cultural traditions．

when

if

unless

while

_________ scientist have found recently is that skinny genes can explain why some people are always thin．

That

Which

What

When

_________ in the entertainment circle, the songwriter still tries to stick to his own style．

Involving

Involved

Be involved

Involves