28. —Did you hear Tom was criticized for his spelling mistakes in his English composition?
—Yes, but a more careful person ________ so many mistakes.
| A．wouldn’t make | B．needn’t have made |
| C．shouldn’t make | D．wouldn’t have made |
______ money is important, many teenagers say they want to do jobs they enjoy.
| A．Because | B．Unless | C．If | D．Although |
Here is a survey about hopes and dreams ______ thousands of students took part.
| A．at which | B．in which | C．with which | D．about which |
I felt I was so happy ______ it was the first time that I had gone to the Universal Studio.
| A．that | B．even though | C．as | D．when |
I’m afraid we must hurry—the train at six o’clock.
| A．leaves | B．will leave | C．has left | D．is going to leave |
As we know, no matter how a man is, if he doesn’t learn, he knows nothing.
| A．intelligent | B．enthusiastic | C．relaxed | D．disappointed |