1.Give me some water ____（drink）.
2.He has no house ____（live）.
3.I’m sorry ____（have）kept you waiting.
4. He was kind enough ____（excuse）me.
5. He works hard ____（pass）the exam.
6. I went there ____（see）him.
7. He lived ____（see）his son a great man.
8. He must be very rich ___（buy）that big house.
9. English is not easy ____（learn）.
10. This is too difficult _____（understand）.
