---David has made great progress recently.
--- _____, and _____.
| A．So he has; so you have | B．So he has; so have you |
| C．So has he; so have you | D．So has he;so you have |
—Shall I lock the lab now before I go home?
—______.I’ll check it myself later.
| A．Go ahead | B．No problem |
| C．No hurry | D．Don’t bother |
.—The head teacher said we had only three days to finish the project.
—Don’t worry.We have already ____ two thirds of it.
| A．taken over | B．got through |
| C．made up | D．given away |
Only ticket-holders were ____ to the stadium for the concert given by Jay Chou,so many of his fans were turned away.
| A．allowed | B．asked |
| C．agreed | D．admitted |
____ ,I have never seen anyone who is as energetic as Barack Obama.
| A．As long as I have interviewed many leaders |
| B．Since I have interviewed many leaders |
| C．Many leaders although I have interviewed |
| D．Many leaders as I have interviewed |
—Is Paul playing basketball for his school?
—Well,he ____.But he has given it up and switched to playing volleyball.
| A．is | B．was | C．has | D．had |