17. She's the woman ............. sister looks after the baby for us

A. who   B. which    C. that's   D. whose

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

A. universe  B. solar system    C. comet     D. galaxy

19. Yuri Gagarin became the first person to eat and drink in ................ 

A. weightless    B. gravity     C. specific gravity   D. microgravity

20. I passed all my exams- I'm ..........!

A. over the moon   B. once in a blue moon   C. out of this world   D. the sky's the limit

21. Pham Tuan said everything was quite strange he ................when he was on the ground

A. prepared   B. has prepared    C. had prepared     D. prepared

11. The book ___________ Amelie is reading now is about the Big Bang theory

A. which                 B. who                      C. where

12. In winter, many Swedes travel to a country ________ there's a lot of sunshine

A. which             B. where         C. who

13. This is the space tourism service _________ is being advertised on our website

A. that          B. who    C. when

14. ' The cinnamon buns ________ my mother makes are the best in the world' he said

A. when     B. that    C. whose

15. A spacewalk occurs __________ an astronaut gets out of a vehicle while in space to do science experiments, or conduct repairs

A. who   B. what   C. when

16. The dance club _______ Mai often goes to will be doing a performance this Christmas

A. when  B. who    C. which

7. The launch of the Space Shuttle Endeavour ___________ was broadcast live this morning

A. Was    B. had been    C. has been   D. was being

8. Do you want to meet my colleague ___________ son Is training to be an astronaut?

A. That     B. whom   C. Whose   D. x

9. The mission _______ they are talking about plans to send humans to Mar by 2030

A.  Who     B. when    C. where     D. x

10. The Astronauts Memorial Foundation honors all American astronauts ______ have lost their lives while on missions or in training

A. which    B. who    C. whom     D.  x

4. NASA is now working hard to _______ whether there is life on Mars

A. Discover   B. collect     C. experience      D. accept

5. The closest  potentially _______ planed ever found has been spotted by Australian scientists, and it's just 14 light-years away

A.Foreseeable    B. Habitable   C. Transferable      D. Workable

6. As soon as the spacecraft _________ into space, the crew started to observe the sun

A. Travelled   B. Was traveling  C. Has traveled  D. Had traveled

1. The first ______ was done by Alexei Leonov, a Russian cosmonaut on March 18th, 1965. It was 10 minutes long

A. Spacesuit   B. spacewalk   C. spaceship   D. spaceward

2. The Milky Way is just a ________ in the universe and it contains our Solar System

A.Planet  B. comet   C. meteorite   D. galaxy

3. Christer Fuglesang said he enjoyed floating around in the ______ environment

A.Homesick   B. heavy   C. weightless D. quiet

Canxi cacbua (1) axetilen (2) etylen (3) đibrom etan (4) poli etylen

6. Mr.Binh uses English every day because he works with some Australians

If Mr.Binh........................................................................................................

7. I received a letter this morning and it had good news

The letter that.................................................................................................

Câu 22: Tứ giác nào không nội tiếp được đường tròn?

A. Hình chữ nhật    B. Hình thang cân     C. Hình thang vuông  D. Hình vuông