So far, MERS(中东呼吸综合症) has become one of ____ illnesses in the world.A. seriousB. more seriousC. the most serious
Please open the window and let the _____ /freʃ/air in.
Library is a good ______ /pleɪs/ to study for a test.
I go to school every day on my new _______ /baɪk/.
---Congratulations! You won the first prize in the writing competition. ---__________. I have made several terrible mistakes.
---great weather it is today! ---Yeah.I will enjoy it with my family this afternoon.