2. Mr. Thanh couldn’t enjoy the meal because of the stomachache.
>>The stomachache prevented Mr Thanh from enjoying the meal
3. It isn’t important for you to finish the work today.
>>You don’t need to finish the homework today.
4. The visitor spoke so quickly that I couldn’t understand what he said.
The visitor spoke too quick for me to understand
5. Lan didn’t go to school yesterday because of her sickness.
>>Because Lan was sick, she didn’t go to school yesterday
6. Nhung will be fifteen next week.
>>It is Nhung’s fifteenth birthday next week
7. Walking in the rain gives my brother pleasure.
>>My brother enjoys Walking in the rain
8. I get to work in half an hour.
>>It takes me half an hour to work
9. Keeping the environment clean is very important.
>>It’s is very important to Keep the environment clean
10. The water was so cold that the children couldn’t swim in it.
>>The water was not warm enogh for children to swim