—The plane is due to take off at 7：50 from the airport.
—________ we fail to arrive there on time?
—Try to take another flight then.
| A．What if | B．As if |
| C．Even if | D．Only if |
Meng Peij ie，an ordinary girl who was among the 10 people awarded the title of “Touching China 2011”，must be both optimistic and strong-minded. Otherwise, she _______ her disabled adoptive mother for 12 years.
| A．mustn't have looked after | B．can't have looked after |
| C．couldn't have been looking after | D．shouldn't have looked after |
一Tom failed the exam again.
一Personally, he's but stupid. He's just too lazy.
| A．nothing | B．nobody | C．anything | D．anybody |
It is none of my business. It's up to you to decide he bought yesterday is used for.
| A．what what | B．what that | C．that what | D．that which |
No conclusion _______ about the new product until the result of the experiment has been announced.
| A．will be drawn | B．was drawn | C．has been drawn | D．is drawn |
A two-year-old girl named Niu Niu, _______ falling from the IOth floor of a building, was caught by a "super-mother" Wu Juping with her bare arms.
| A．having been noticed | B．noticing |
| C．being noticed | D．having noticed |