What you need is more practice.
It’s doesn’t make any difference whether he join us or not.
Whether we will hold a party outside tomorrow depends on the weather.
That he has done his best is obvious.
When they will come is still not known.
What she needs is more money.
Whoever comes is welcomed.
It is said that Mr. Green has arrived in Beijing.
It is known that the earth revolves around the sun.
1. He will come back in a week. ( I think…)
I think that he will come back in a week.
2. Who is he looking for? (Do you know… )
Do you know who he is looking for?
3. He has already come back. (He told me… )
He told me that he had already come back.
4. How can I get to the zoo? (Could you tell me… )
Could you tell me how I can get to the zoo?
5. She said, “Do you often come here to read newspaper?”
She asked if (whether) I often came here to read newspaper.
6. “ Will they go to visit the Great Wall?” he asked.
He asked if (whether) they would go to visit the Great Wall.
Mr. green says that he will leave for shanghai tomorrow.
I think that Jack has finished his homework.
They said that they had been to Beijing twice.
The teacher told us that we would have an English test the next day.
Do you know if Bill has passed the exam.
The house is what he needs.
The question is who can complete the difficult task.
The discussion topic for today is what school will be like in the future.
The reason why he was late is that the traffic was busy.
The fact is that he told a lie to me.
The idea that they should try a second time is worth considering.
The fact that she works hard is well known to us all.
They expressed the hope that they would come to visit China again.
The suggestion that students should learn somethingpractical is worth considering.