___students will take part in the sports meeting and _____them is over three hundred.
| A．A number of; the number of | B．A number; the number |
| C．The number of; a number of | D．The number; a number |
—I called you several times this afternoon. Why didn’t you answer the phone?
--I’m sorry. I ________ an important meeting then.
| A．is having | B．was having |
| C．will have | D．have had |
________ he told the truth this time, nobody was willing to believe him because he often told lies.
| A．When | B．Because | C．Although | D．Unless |
—Excuse me! Could you move your bike? It’s ______the way.
--Sorry. I’ll do it at once.
| A．on | B．in | C．at | D．by |
Though he thought math was very difficult, he never _______it ______.
| A．put; up | B．turned; up |
| C．took ; up | D．gave ;up |
—Mom, I wonder ________.
—Baby, I think you should study harder.
| A．that I will pass the history exam |
| B．whether I can play computer games now |
| C．how I could get on well with my classmates |
| D．why couldn’t I get an “A” in my English |