The astronauts are looking forward ____________ to the Earth.

Do you understand the saying: “________________ is better than cure”? (prevent)

Choose the correct answer:

A: Would you like to go on a trip to Sa Pa with me?

B: __________. I’m working on my coming exam.

The man asked me _________ I __________ the way to The Great Wall.

UFOs are just the _______________ of some writers. (imagine)

People in this remote village have ___________ contact with the outside world.

They are trying to look for another __________________. (explain)