Điền How long/How many times vào chỗ trống:
1. …………… have you been waiting?- Only for a minute or two.
2. …………… has he been married?- More than 25 years.
3. …………… have you read this novel?- At least 8 times.
4.…………… will the lesson last?- 2 hours
5. …………… have you been living in this house?- For 12 years now
6. ……………have you been there?- Nine minutes
7. ……………was your stay in American?- I was there for two and a half years
8. …………… did you visit him last summer?- Almost every weekend.
9. ……………have I told you not to play volleyball in the garden?
10. ……………did the phone ring yesterday?- ‘We must have had about ten calls.