Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

Space __________ is the main vehicle for astronauts to travel on the Moon.

Choose the letter A, B, C or D to complete the sentences

The astronaut wears a __________ to protect him from the dangers of being outside in space.

Choose the letter A, B, C or D to complete the sentences

There have been some traces proving the __________ of aliens.

Choose the letter A, B, C or D to complete the sentences

Neil Armstrong is considered as the first person __________ on the Moon.

Choose the letter A, B, C or D to complete the sentences

The atmosphere on Mars is quite similar __________ that on Earth.

Choose the letter A, B, C or D to complete the sentences

I love __________ at pictures of the galaxy very much.

Choose the letter A, B, C or D to complete the sentences

This water is __________ poisonous that people here can’t drink.