________do you stay up？
Never．I always go to bed early．（ ）
| A． |
How long |
B． |
How often |
C． |
How soon |
D． |
How much |
Michael， could you please help me ___________ this math problem？
OK． Let me have a try．（ ）
A．look upB．look afterC．work outD．put away
A Long March 5（长征五号）rocket carrying China's heaviest satellite was ___________ launched．
Amazing! It happened on Dec 27， 2019 in Wenchang， Hainan．（ ）
A．successfulB．successfully
C．successD．succeed
My aim is to go to Wuhan University for further study．
Work hard， ___________ you can make it．（ ）
A．ifB．soC．andD．unless
Does the dish taste as ___________ as it looks？
Yes． I can't wait to eat it．（ ）
A．wellB．goodC．betterD．best
What did Chinese President Xi Jinping say during the epidemic（疫情）？
___________ is more important than people's safety and health．（ ）
A．NothingB．EverythingC．SomethingD．Anything