--Has he handed in his homework ___________? --Yes, ___________.
巩固练习：
一.单项选择
( ) 1. --Has he handed in his homework ___________? --Yes, ___________.
A. yet, already B. already, yet C. yet, yet
( ) 2. You don’t need to introduce her. I ____________ her several
times.
A. meet B. will meet C. have met
( ) 3. _____________ you ___________ the book for 5 years?
A. Did, have B. Have, had C. Have, bought
( ) 4. The twins can speak good Chinese because they __________ China for
6 years.
A. have been to B. have been in C. have gone to
( ) 5. Uncle Wang __________ in factory since it opened in 1989.
A. worked B. have worked C. has worked
( ) 6. He’s ________ back home since 3 days ago.
A. been B. got C. come
二.用所给单词的正确形式填空
7. Tina _______________________(go) to the space museum last year.
8. John ____________ never _______________(be) to the space museum
before.
9. They __________________(take) the subway to school tomorrow.
10. Linda _________________(be) to the aquarium three times.
11. Linda __________________(go) to the zoo three times last year.
