— Why not buy an old car first if you don’t have enough money for a new one?— That’s a good ___________ .
–May I use your MP4 today, Paul? --_______. I will not use it.
I will try my best to stop my son from _____ the same mistake.
–_____ did you work out the problem in such a short time? --With Mr. Li’s help.
They walked home last night because they couldn’t _____ to take a taxi.
–Why didn’t you buy any bread? --Sorry, I _____.