Răspuns:
1. What have you learned since you have come here? How many friends have you made? I hope you have already met a lot of interesting people.
2. Last night my roommate and I had some free time, so we went to a show.
3. I have just had lunch, but I didn't have lunch yesterday.
4. Who has written the play "Hamlet" ?
5. He usually went at 9 o'clock, but this morning he has left home late.
6. I have visited my grandparents every Friday. My sister visited them often.
7. The boys have swum in the pool but they usually swam in the sea.
8. She was writing a letter to her pen-friend at the moment.
9. They sometimes had lunch at work, but today.
10. Sally ate dinner last night when someone knocked on the door.
11. I began to study at seven last night. Fred came at seven and thirty minutes. I was studying when Fred came.
12. While I was studying last night, Fred dropped by to visit me.
13. My roommate's parents called him last night while he was watching TV.
14. The building wouldn't have burned to ashes if the fireman came in time.
15. People wouldn't cross the Bosphorus, if they didn't build those bridges.
