【简答题】根据情景内容补全对话。(每空一词) A policeman: Good morning, madam. A lady: Good morning, sir. A policeman: You look worried. What's 1.___________ with you? A lady: My daughter got lost when I did some shopping in th...
【简答题】The tide has ___ and left many beautiful shells on the beach. A.preceded B.conceded C.receded D.proceeded 2.Hope of finding the missing passengers is now beginning to ___. A.reduce B.fade C.faint D.sh...
【单选题】.The policeman asked the old man what he ___________ doing when the accident ___________. A. is; occur B. was; occurring C. is; has occurred D. was; occurred