—I lost my MP3 on my way to school this morning.
—____ You must be careful next time.
| A．Take care! | B．Excuse me! |
| C．It’s a great pity! | D．You’re welcome! |
________ 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 |
_________ our earth less polluted, or we will lose our home.
| A．Making | B．To make |
| C．Make | D．Made |