(2013·高考安徽卷)From space，the earth looks blue.This is ________ about seventy?one percent of its surface is covered by water.

A．why??? B．how

C．because?? D．whether

(2013·高考四川卷)________you said at the meeting describes a bright future for the company.

A．When? B．How

C．What? D．That

(2013·高考江西卷)________one of you breaks the window will have to pay for it.

A．Whoever? B．Whatever

C．Whichever? D．Wherever

(2013·高考陕西卷)It remains to be seen________the newly formed committee’s policy can be put into practice.

A．that? B．which

C．what? D．whether

(2013·高考新课标全国卷Ⅱ)It’s an either?or situation －we can buy a new car this year or we can go on holiday but we can’t do________.

A．others 　　　　　　　B．either

C．another?? D．both

(2013·高考天津卷)At our factory there are a few machines similar to ________ described in this magazine.

A．them? B．these

C．those? D．ones

(2013·高考重庆卷)Recycling is one way to protect the environment；reusing is________.

A．another? B．the other

C．one another? D．one

(2013·高考山东卷)I’ve lived in New York and Chicago，but don’t like ________of them very much.

A． either? B．any

C．each?? D．another

(2013·高考辽宁卷)To her joy，Della earned first the trust of her students and then ________of her colleagues.

A．that? B．one

C．ones? D．those

(2013·高考安徽卷)This project requires close teamwork.________ will be achieved unless we work well together.

A．Nothing? B．Anything

C．Something?? D．Everything