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
— Why are your hands that dirty?
— Oh, I______ in the garden since we finished breakfast.
A. worked B. was working
C. am working D. have been working
