We’ll make the final decision on our scheme. ______ you change your mind, please inform us as soon as possible.

Should

Were

Would

Had

考查虚拟语气的省略。句意：我们将对我们的计划做最后决定。如果你改变主意，请尽快通知我们。根据语境，此处用虚拟语气，表示与将来相反，从句用should+动词原形，省略if，should提前，陈述句是：If you should change your mind……。故选A。

         Jixi today is more beautiful now. Mr.Jakson said he would visit it         third time.

The; /

The; the

/; a

The; a

考查冠词。句意：今天的鸡西市更漂亮了。Jakson先生说他将又一次来到这里。第一空“鸡西市”应用定冠词；第二空“不定冠词a/an+序数词+名词” 强调在已知数量上在累加一个，且 third为辅音音素开头的单词，应用a。故选D项。

When           another country, you should be aware of those differences and respect them.

visit

to visit

visiting

visited

考查非谓语动词。句意：当拜访另一个国家时，你应该知道这些不同之处并尊重它们。分析句子可知，空格处应填非谓语动词和when一起构成时间状语，逻辑主语you和visit之间是主动关系，应用现在分词。故选C项。

The information tells me that the way of education in Canada is quite different from          in China.

one

it

that 

those

考察代词。句意：这条信息告诉我们在加拿大的教育方式和在中国的教育方式很不一样。前后比较的是教育方式，用that 指代the+名词。A. one 是泛指一个，B.it 指的是同一个东西，D. those指代the +名词复数。故选C项。

---Who was calling you on the phone just now？

---_______.

That's him

It was Tom

This was someone

Maybe Jim's

考查强调句。句意---刚才谁在电话里面叫你？---他是汤姆。根据题意，答句为强调句。完整形式为it was Tom that call you on the phone just now.缩写形式为It was Tom，故选B。