【正文】
1. Where did you put the keys? Oh, I_____ I put them on the chair because the phone rang as I _____ in. A. remembered。 e B. remembered。 was ing C. remember。 e D. remember。 was ingChoose the best answer.2. What do you think of the color of my new dress? Sorry, but what did you say? I ____ about something else. A. think B. thought C. am thinking D. was thinking3. I came to your home yesterday afternoon, but nobody was in. Oh, we ______ some shopping in the supermarket. A. have done B. did C. were doing D. are doing4. I called you at half past nine this morning ,but there was no answer. Oh, sorry. I _____ with my cousin in the supermarket. A. shop B. was shopping C. shopped D. will shop5. His parents wanted to know what he ______ at that time. A. is doing B. was doing C. has done D. will do6. When I went to say goodbye to Anna, she ______ the piano. A. is playing B. plays C. was playing D. played7. What were you doing this time yesterday? I _______ my bicycle. A. is repairing B. repaired C. had repaired D. was repai