7.I forgot (buy)you a book.
6.It's important (eat)a vegetables.
5.The (different)between the two words are clear.
4.They (hard)go out of this small town.
3.He should look after his (health).
2.His home is about ten k from school.
1.They shop (two)a week.
10. (大自然)does not give everything we want.
9.I'm sorry I can't work out the math (问题).
8.Why didn't the patient want to take the (药).