Câu hỏi:

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

Have you ever seen a flying __________?

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

I can’t stand __________ with such a talkative person like her.

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

Neil Armstrong is considered as the first person __________ 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

Scientists think it is possible to send humans on a __________ to Mars by the 20130s.