`IV.` 

`\text{1. I am going to the market but I can't think of what to buy for dinner.}`

`\text{2. I usually go shopping or do something interesting else on Sundays.}`

`\text{3. Playing computer games too long is harmful for/to your eyesight.}`

`\text{4. The two boys are twins so I can't tell the difference between them.}`

`\text{Học tốt}`

$#vpgh1810$

1) I am going to the market but I can't think of what to buy for dinner
2) I usually go shopping or do something interesting else on Sundays
3) Playing computer games too long is harmful for/to your eyesight
4) The two boys are twins so I can't tell the difference between the