Unit 1 1. The delegation has already arrived, but I didnt know it until this morning A.willcomeB.hadbeencomingC.wascomingD.comes 2. It's high time they this road A. mend B. mended C. must have mended D will mend 3. It's the first time we here A. came B have come C. are coming D come 4. I decided to go to the library as soon as I A. finish what I did B would finish what I was doing C. finish what i did D. finished what I was doing 5. We our break fast when an old man came to the door just have had B have just had C just had D had just had 6. Where dirt, there are flies A. there had been B. there will have C. has there been D. there is 7. When i arrived at his office. he on the phone A was speaking spoke C had been speaking D had spoken 8. With the development of production and science radio a wide application in a short time B. finds C have found D. has foundUnit 1 1. The delegation has already arrived, but I didn’t know it ______ until this morning. A. will come B. had been coming C. was coming D. comes 2. It’s high time they ______ this road. A. mend B. mended C. must have mended D. will mend 3. It’s the first time we ______ here. A. came B. have come C. are coming D. come 4. I decided to go to the library as soon as I ______. A. finish what I did B. would finish what I was doing C. finish what I did D. finished what Iwas doing 5. We ______ our breakfast when an old man came to the door. A. just have had B. have just had C. just had D. had just had 6. Where ______ dirt, there are flies. A. there had been B. there will have C. has there been D. there is 7. When I arrived at his office, he ______ on the phone. A. was speaking B. spoke C. had been speaking D. had spoken 8. With the development of production and science, radio ______ a wide application in a short time. A. found B. finds C. have found D. has found