past perfect

When we got to the theatre, they had sold all the tickets.,过去完成时是一种与过去时相比较而存在的时态，用以表示“过去的过去”的动作或状态。,1.When we _(arrive) at the theatre, the play _(already start).,arrived; had already started,2.The police found that the house _and a lot of things_.A. has broken into; has been stolenB. had broken into; had been stolenC. has been broken into; stolenD. had been broken into; stolen,3.Tom didnt go to hear the singer because he_ him. heard would hear C. has heard D. had heard,4.-Why didnt you come to the party?-I_ to come, but one of my friends came to see me just then.A. wanted B. was wanting C. had wantedD. had been wanted,5.Sorry,Ive eaten up the food. I_ that he wouldnt be back. think was thinking had thoughtD. thought,6.When we got to his home, we learned he_ for almost an hour.went B. had gone C. had been awayD. has gone,7.-Did you meet John here at the university?-No, we_ when I started college.have already met already metC. would meet D. had already met,8.When I got to the cinema, the film_ for five minutes. had began was on C. has begun D. had been on shown,9.Class _ by the time I _ there, so I took a seat in the back. has begun, get had begun, gotC. began, got D. begins, get,10.Helen _ her key in the office so she had to wait until her husband_ home.has left, comes left, had comeC. had left, came D. had left, would come,11.The pen which I _ I _ is on my desk, right under my nose. think, lost thought, had lostC. think, had lost D. thought, have lost,They asked me to have a drink with them. I said that it was at least ten years since I _ a good drink.had enjoyedwas enjoyingenjoyedhad been enjoying,-How long _ each other before they _ married?- For about a year.A. have they known; getB. did they know; were going to getC. do they know; are going to getD. had they known; got,When Jack arrived he learned Mary _ for almost an hour.had gonehad set offhad lefthad been away,-Did you tell your brother where she _?-Yes, but I didnt tell him she _ until next week.A. has gone; wont come homeB. went; dont come homeC. had been; wouldnt come homeD. had gone; wouldnt come home,His wife _ to catch the first train but she w