Câu hỏi:

Choose the best answer A, B, C or D to complete the sentences.

That’s the doctor for ................ Cliff works.

Choose the best answer A, B, C or D to complete the sentences.

A ………. is an enormous system of stars in outer space.

Choose the best answer A, B, C or D to complete the sentences.

The plants which ................ in the living room need a lot of water.

Choose the best answer A, B, C or D to complete the sentences.

I passed all my exams - I’m …………!

Choose the best answer A, B, C or D to complete the sentences.

In July of 1975, the first US-Soviet joint ……… occurred with the Apollo-Soyuz project.

Choose the best answer A, B, C or D to complete the sentences.

Aircraft flying in …….. arcs create microgravity for tests and simulations that last 20-25seconds.

Choose the best answer A, B, C or D to complete the sentences.

She’s the woman ................ sister looks after the baby for us.