（2013·安徽卷)It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may | B．couldn’t | C．should | D．needn’t |
To avoid on how to use the word, you’d better refer to a dictionary.
| A．to get confused | B．getting confused |
| C．to get confusing | D．getting confusing |
—to the sun，the flowers will become dry soon.
—What you said does make.
| A．Exposed；sense | B．Exposing；sense |
| C．Exposed；senses | D．Exposing；a sense |
Only when I read this story for a second time to appreciate its beauty.
| A．did I begin | B．that I began | C．I began | D．had I began |
I think you should be about giving your address to strangers. It might be dangerous.
| A．confident | B．cautious | C．scientific | D．positive |
—What’s the matter with Tim?
—Oh. Tim’s cell-phone was left in a taxi accidentally, never again.
| A．to find | B．to be found | C．finding | D．being found |