Man's understanding of nature never r the same level

Mr. Green is doing a s on students' plans after graduation.

Please remember to follow the i during the activity.

The doctors are trying to find out good m to save the patient.

If you believe in yourself, you will s one day.

We can o any difficulty, no matter how great it

I will g from Beijing University this July. I want to get a job in Beijing.

Ten is the d of five.

Thanks to my friendly and c teachers and friends, I had good memory in junior high school life.

Please keep your c . The project is still under control.

Men and women have s exercise rooms.

I'm t to your help. Without it, I can't finish the work on time.

Please offer me a cup of water. I'm t .

We should be r for our choices. We are not children any more.

What are your ideas for s this problem?

Some bad people c cut off the shark fins for money. They cared little about the sharks' lives.

Keeping in good health is one of the a of riding to work every day.

Though the problem can be solved in this way, scientists think there must be better m .

The children were given simple t like collecting wood and some water.

After o his shyness, Jack became more confident and outgoing.

I'd r stay at home than go swimming. I think swimming is very boring.

He put on about twenty pounds. He decided to lose w by eating less and exercising more.

He k the ball to me, but I didn't catch it. Finally, the ball fall into the river.

The salesman asked me to p the door instead of pushing it.

The old man stayed a luckily after the strong earthquake.

This kind of material can b easily, please keep it away from the fire.

-- Why do so many Canadian companies want him to work for them?

-- He can speak English and French. It’s certainly his a .

Such bad books shouldn’t be allowed to sell at any bookstore. They are h to children.

You should read their i first before you start to use these machines.

After g from the famous university, he found a job as a lawyer successfully.