______ important it is for kids to imagine freely!（ ）
A．WhatB．HowC．How anD．What an
Are you going camping this weekend？
I'm not sure ________ the road to the mountains will be closed because of the heavy rain．（ ）
A．thatB．whyC．whetherD．which
What is it that smells so terrible， Ted？
I'm sorry I will _______ my socks and put them in the washer．（ ）
A．take offB．give outC．put upD．keep away
What's the result of my driving test？
You didn't reach the required standard． __________， you failed．（ ）
A．In the endB．After all
C．In other wordsD．At the same time
How are you getting on with your work？
I can't do it _______ any longer． I'll have to get help（ ）
A．hardB．quietlyC．simplyD．alone
Building makeshift hospital（临时医院）was a key _______ made in the moment when Wuhan was facing the task of epidemic（流行性传染病）control．
Right． It has played an important role in treating the patients．（ ）
A．decisionB．situationC．problemD．condition