Choose the letter A, B, C or D to complete the sentences
Neil Armstrong is considered as the first person __________ on the Moon.
A. step
B. steps
C. stepping
D. to step
Đáp án: D
Giải thích: Rút gọn mệnh đề quan hệ với thứ tự (the first, the second, the last ….) dùng to V
Dịch: Neil Armstrong là người đầu tiên đặt chân lên mặt trăng
Choose the letter A, B, C or D to complete the sentences
“What subject do you find the most difficult?” My mother asked.
⇒ My mother asked what subject ____________ the most difficult.
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
I can’t stand __________ with such a talkative person like her.
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
There have been some traces proving the __________ of aliens.
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
I love __________ at pictures of the galaxy very much.
Choose the letter A, B, C or D to complete the sentences
Our lives are in __________ because of pollutions
Choose the letter A, B, C or D to complete the sentences
Scientists claimed that there __________ eight planets in our solar system.
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
Have you ever seen a flying __________?
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
I’m curious about the __________ space of the Earth.
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.