`29.` The child talked with his teacher about his trip to Singapore.

`+` talk sb about sth : nói với ai điều gì

`30.` The girl uses a sewing mechine to sew the dress for me.

`+` use sth + to V : dùng cái gì để làm gì

`31.` My mom told me not to stay up late.

`+` S + tell/told sb + to do sth : bảo ai làm gì

`32.`He should help his parents in his free time.

`+` S + should + V : nên làm gì

29.The child talked with his teacher about his trip to Singapore.

30. The girl uses a sewing mechine to sew the dress for me.

31. my mom told me not to stay up late.

32.he should help his parents in his free time.