In the dark street，there wasn't single person _______she could turn for help.
| A．that |
| B．who |
| C．from whom |
| D．to whom |
—What about the student in your class, Mr. Wang?
—The doctor said that sleep caused him poor memory and poor concentration.
| A．lacking of | B．lacked in | C．lacking | D．lack for |
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 |