根据下面短文，用括号内所绘动词的适当形式填空。

My aunt is an engineer in America．She __1__(work)in the Company of Microsoft since 1986．Last month she __2__(come)back to China．We were very happy to see her on May Day．After we finished lunch，we showed her around our hometown．

“This hotel __3__(build)last year．Look，the workers __4__(put)up another one over there．”

“What a great change!” aunt said．

“We __5__(plant)more trees and flowers in the town soon．And we'll do something to stop the factories from __6__(pour)the waste into the river．” I told her．

Aunt was very pleased with what she saw．When we asked her __7__(stay)longer，she answered，“No，I can't．I must __8__(fly)to Beijing tomorrow．I have an important lecture to give．If I __9__(have)time，I'll certainly come back again．Though I live in America，I'll always be Chinese．I should do something for our hometown．Let's __10__(make)contribution to it together．”

10．It was made in _________(古老的)China．

9．Glena _________(娶)Lucy when he was twenty-seven．

8．I bought this sweater _________(特意地)for my mother．

7．Mr. Black has t_________ many Chinese books into English·

6．He was weak in English，but l_________，this time he passed the exam．

5．We have too much homework to do，so we can't leave school without teacher's p________．

4．Vietnam is on the south of our country，we are n_________．

3．We should tell everyone the i_________ of protecting the environment(环境)．

2．The two boys have formed a deep and lasting _________(友谊)．