1. they only have lessons in the morning on weekends.

2. My Maths class lessons have six  times a week.

3. their students have exams in the May.

4. They always do their homework in the evening.

xin ctlh ạ

1. have / in / only / on / they / lessons / morning / the / weekday.

`\text{⇒They only have classes in the morning on weekday}`
2. Maths / My / times / class / week / have / a / lessons / six / .
`\text{⇒My class has Maths lessons six times a week}`
3. have / in / exams / students / their / the / May / .
`\text{⇒The students have their exams in May}`
4. always / homework / they / their / / in / evening / the / do / .
`\text{⇒They always do their homework in the evening.}`

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