So sánh những điểm khác nhau giữa các câu lệnh If...then; for...do; while...do?

Viết lại câu từ thì QKĐ sang HTHT và ngược lại

1.She haven't seen her lover for 2 months

2.The last time I was really drunk was in my birthday party

3.It's nearly 20 years since my father last saw his brother

4.He last met my sister last summer

5.How long have you studied medicine?

6.We haven't travelled for a year

7.We last saw our grandfather two years ago

8. I have never read such a romantic story

9.It's nearly twenty years since my father married my mother

10.The last time we went to a cinema was two years ago

Phân tích hình ảnh ông Đồ thời Nho học suy tàn