20/ thanh is sorry she doesn't live near her school
=> mary wishes she lived near her school.
21/ his parents are both retired. They now live in Spain
=> His parents have retired to Spain.
22/ we don't visit you very often beacause you live so far away
=> if you didn't live so far away, we would visit you very often.
23/ They decided to go out. If rained heavily
=> athough it rained heavily, they decided to go out.
24/ Let's go to school by bike instead of by motorbike
=> I suggest going to school by bike instead of by motorbike.
25/ could you turn the radio down ?
=> Would you mind turning the radio down?
26/ "Can you play the piano? "
=> We asked the boy if he could play the piano.
27/ Henry started jogging. He felt he was too fat (because)
=> Because Henry felt he was too fat, he started jogging.
28/ he works in the evening. He has no time to play with his children (if)
=> If he didn't work in the evening, he would have time to play with his children.
29/ Nam doesn't have an alarm clock. So he never goes to school on time (If )
=> If Nam had an alarm clock, he would go to school on time.
30/ he doesn 't have a car so he goes to work by bus (if)
=> If he had a car, he wouldn't go to work by bus.
31/ Nam doesn't work hard, so he fail the test (If)
=> If Nam worked hard, he woudn't fail the test.
32/ she did not eat much . She was hungry ( although)
=> Athough she was hungry, she didn't eat much.
33/ she asked me, "where does your father work ?"
=> she asked me where my father worked.
34/ My mother makes these artificial flowers of silk
=> these artificial flowers of silk are made by my mother.
35/ He always gets up late in the morning
=> he wishes he didn't get up late in the morning.
36/" DO you like pop music " Hoa asked Lan .(change into reported speech)
=> Hoa asked Lan if Lan liked pop music.
37/ " Are you interested in this language Center ?" Tuan asked Lan
=> Tuan asked Lan if Lan was interested in this language center.
38/ He doesn't know Mary's address
=> He wishes he knew Mary's address.