Câu hỏi:

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

It was so kind of him __________ me when I was homeless

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

Have you ever seen a flying __________?

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.

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

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

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’m curious about the __________ space of the Earth.