根据所提供语境，用方框中所给短语的适当形式填空。（每题1分，共15分）

accuse…of      draw a conclusion     be back on one’s feet      make sense consist of      put forward      concentrate on        fall ill to one’s credit      make a difference       a variety of         break away sweep up        dispose of    squeeze out

 
When do you need to use your knowledge about first aid? When somebody suddenly_________ or has an accident.
It is difficult to __________ because the situation is confusing.
Only by discovering what we do best can we hope to reach our goals and truly__________.
Well, now we can see a system where the waste is _______ using the principles of ecology.
Father has bought his little son ________ toys which have almost filled the son’s bedroom.
The police ______ him _____ murder.
Are you serious in _______ such a view?
Life mainly _______ happiness and sorrow(悲伤) while happiness and sorrow lie in struggle.
A quarrel broke out last Sunday, and he _______ from his family.
__________, she gave a hand to an old lady in the rain.
She had been ill seriously, but after resting for a long time, she_________ gradually.
When we flew in the space capsule, we were ________ into the sky so quickly that I didn’t even have time to fasten my safety belt.
With so much noise outside, she can’t _________ her work.
Can you _________ of what this writer is saying?
The lemon looks dry, but you may be able to _____ a few drops of juice if you try.