Clothing made of man-made fibers has certain advantages over _______ made of natural fibers like cotton, wool or silk.
| A．the ones | B．one | C．that | D．what |
The young writer said he should ________his success ________his teacher's encouragement.
| A．thank; for | B．devote; to | C．owe; to | D．express; of |
—This is Steve speaking. Is that Mr. Smith?
—________， please. He is coming.
| A．You're welcome | B．Hold on |
| C．Never mind | D．Come on |
Both sides are determined to get what they want，and there seems to be no possibility of________.
| A．competence | B．composition |
| C．competition | D．Compromise |
After he got in touch with the Red Cross, Mr. Green ______ helping homeless women and children to a safe place.
| A．set out | B．set about |
| C．set off | D．set down |
My computer is out of _________ order all of a sudden. Could you do me________ favor and type the plan for me right now?
| A．the; a | B．the; 不填 | C．不填; a | D．不填; 不填 |