1.Minh last wrote to his pen pal five months ago.
àMinh hasn’t ……written to his pen pal for five months……
2.The last time we visited Kuala Lumpur was 3 years ago.
à I haven’t ……visited Kuala Lumpur for 3 years…………
3. When did you study English?
àHow long …have you studied English………? …
4. They began building this house 2 months ago
àThey have …built this house for 2 months………
5. My father started to work in this factory last week
àMyfather has……worked in this factory for a week…