Cloning an animal is a complex ________ that can go fatally wrong at any stage.
| A．process | B．regulation | C．step | D．method |
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—I had been working till 4:00 a.m. to prepare a report for my boss.
—____ you look very tired.
| A．No doubt | B．No hurry | C．No wonder | D．No need |
—How do you feel about our manager—Mr. Yang?
—He is very easygoing. I feel ____ when I stay with him.
| A．at a distance | B．at ease | C．at a loss | D．at heart |
—Is it OK that I sit here?
—Come a little ____ to me. I have something important to tell you.
| A．closer | B．more closely | C．close | D．Closely |
Most senior high school students are working hard day and night to pass the college entrance examination, gaining ____ to a university.
| A．application | B．connection | C．admission | D．agreement |
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