---__________ big news ! Tu was awarded the Nobel Prize for discovering artemisinin.
--- Really exciting!
A. What a B. What C. How a D. How
This kind of house _________warm in winter and cool in summer.
A. is found B. finds C. is felt D. feels
--- That's your new camera, isn't it? Let me have a try!
--- You _________ be careful. It costs!
A. may B. will C. can D. must
What you are supposed to do _____ you don’t like a thing is to change it. Don’t complain.
A. when B. where C. what D. Why
--- Mum, can I keep a pet?
--- No, _________ you have enough time to care for it.
A. as B. since C. if D. unless
When he was running after his brother, the boy lost his ________ and had a bad fall
A. memory B. chance C. balance D. place
