Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ____ new hope to cancer sufferers.
| A．offering | B．showing | C．taking | D．making |
— ______you write so well?
—By reading and keeping diaries every day.
| A．How is it | B．What is it |
| C．How is it that | D．What is it that |
—I called you many times yesterday morning, but I couldn’t get through.
—Oh. My brother ______on the phone all the time!
| A．was talking | B．has been talking | C．has talked | D．talked |
—Would you mind if I closed the window?
—______. It’s that cold outside.
| A．Sorry, I’m afraid | B．Yes, help yourself |
| C．Sorry, you don’t | D．No, go ahead |
A few days after the interview, I received a letter_________me admission to the university.
| A．offering | B．offered | C．having offered | D．to be offered |
— Hi, Johnson, any idea where Susan is ?
— It’s class time, so she________in the classroom now.
| A．can be | B．must have been | C．might have been | D．must be |