I’m glad you told me about the concert being cancelled. ____ I’d have traveled all the way to Beijing for nothing.
| A．Therefore | B．Otherwise |
| C．Besides | D．However |
As he has been well trained,this young man is _____to be a teacher.
| A．delighted | B．possible |
| C．qualified | D．unable |
____ we can’t remove our troubles in life for ever,we can leave them behind when we are on vacation.
| A．When | B．While |
| C．Unless | D．Until |
— Shall I____the raincoat?
—No hurry.Leave it _____it is.It looks like rain.
| A．put on;there | B．put on;where |
| C．put away;in the place | D．put away;where |
____the working efficiency,the boss allows the employees to have a coffee break.
| A．Improving | B．To improve |
| C．Having improved | D．Improved |
— Isn’t it amazing that I met Francis at the Christmas party?
—Really?For how many years ____ each other?
| A．didn’t you see | B．haven’t you seen |
| C．hadn’t you seen | D．don’t you see |