1. The little boy who is crying over there lost his way.

2. If there isn't any water, we can't live.

3. Lan very pleased that Nam answered intelligently.

4. They suggets that he should finish his assignment quickly.

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1. Phuc said that people would soon communicate using telephathy in 50 years time.

2. The telephone was invented by Alexander Graham Bell in 1876.

3. Nick asked me why humans couldn't live on Mercury.

4. He said that they were doing on experiment then.

5. Phong said that his father would go to Hue the next afternoon.

6. Chau wondered if we would still have traffic jam in 50 years time.

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3. I am very pleased that Nam answered intelligently.

4. They suggested that he should finish his assignment quickly.
1. Phuc said that people would soon communicate using telepathy in 50 years' time.
2. The telephone was invented by Alexander Graham Bell in 1876.
3. Nick asked me why humans couldn't live on Mercury.
4. He said that they were doing an experiment then.
5. Phong said that his father would go to Hue the following afternoon.
6. Chau wondered if they would still have traffic jam in 50 years' time.