Use the given words and phrases to make complete sentences
1. Motorbikes / one of / popular means of transport / Viet Nam .
2 . My teacher / said / she / work / Hanoi / in 1990.
3 . I think / Ann / ought / buy / dictionary / study English / better.
2. My teacher said she worked in Hanoi in 1990.
3. I think Ann ought to buy a dictionary to study English better.