The governments are very cautious about setting a new policy and make no decision _____ they are quite sure it is the right one.
which university to attend, the girl asked her teacher for advice.
He is so busy. He cannot afford enough time with his son _______ he wants to.
you said at the meeting describes a bright future for the company.
--Why are your eyes so red? You _______ have slept well last night.
---Yeah, I stayed up late writing a report.
Read this story,you will realize that not everything can be bought with money.