The development of industry has been ____gradual process throughout _____ human existence, from stone tools to modern technology.
| A．不填; the | B．the; a | C．a; 不填 | D．a; a |
Will you see to ________ that the luggage is brought back?
| A．me | B．yourself |
| C．it | D．them |
Everyone should learn something about first aid，for every second will ________ in an emergency.
| A．play | B．count |
| C．happen | D．show |
—Now，where is my package?
—________ We’ll be late for the train.
| A．Come on! | B．Forget it! |
| C．Don’t worry. | D．Who knows? |
I finally got a photo with my favorite movie star.Never in all my life ________ so happy!
| A．did I feel | B．I felt |
| C．I had felt | D．had I felt |
Chery，a car maker in Anhui province，sold nearly 700,000 units in 2011，with the total value ________ it was in 2005.
| A．more than three times what |
| B．three more times than that |
| C．over three times than what |
| D．over three times of that |