Question

—The old man is ill. He ________ to the hospital at once.
--Don’t worry. A doctor _________to come already.

A．must be sent , has asked

B．must send, have asked

C．must be sent, has been asked

D．must send, have been asked

Answer 1

C

試題分析：句意：---這個老人生病了他必須馬上被送到醫(yī)院，----不要擔(dān)心，醫(yī)生已經(jīng)被叫來了。 Must be done 表示含情態(tài)動詞的被動語態(tài)，完成時的被動語態(tài)have been done 結(jié)構(gòu)，根據(jù)題意可知選C