12. ______ she is not happy, she always tries to smile.
A. So B. However C. Although D. And
13. His business is growing so fast that he must take ______ more workers.
A. up B. on C. in D. over
14. If Nam comes to England, it’ll be a good ______ for him to improve his English.
A. opportunity B. possibility C. advantage D. experience
15. He taught me how ______ the new computer.
A. starting B. to start C. start D. started
Loga
Sinh Học lớp 12
