Tom,you and I could hardly work out the mathematic problem, _______?
Students are ____for new knowledge to suit themselves to the future jobs in various fields_______ which they are unfamiliar.
How I wish that you could attend the party, even though you _____busy.
---Sorry. I must be off. ---How nice it would be if you_____a bit longer!
I hate interruptions, _____when I ’m concentrating on my study.
I desire to make friends with him,but_____I am worried that I can’t gei along well with him.