This museum ______ here for over 80 years. It ______ one of the oldest buildings in this city.

A．is; was               B．had been; is

C．was; has been        D．has been; is

Xiandao Lake in Yangxin is the famous place ______ we’ll visit next week.

A．that                B．who

C．where                D．whom

— Sorry, Miss Liu. I left my workbook at home. Must I hand it in today?

— No, you ______. You ______ bring it here tomorrow.

A．mustn’t； should     B．can’t；must

C．mustn’t；may            D．needn’；can

The twins look exactly the same. ______ of them are in my class.

A．Each              B．Both

C．Either             D．None

— I don’t think students should use mobile phones at school.

—______. They really have a bad influence on our study.

A. I agree with you         B. Not at all

C. No problem                D. It’s my pleasure

Many scientists believe that robots ______ able to talk like humans in 50 years.

A．were                B．are

C．will be             D．have been

— Why does the earth look blue in space?

— Because most of the earth’s surface ______ by water.

A．covers              B．is covered

C．cover             D．are covered

Look! The model is walking to us. ______ nice dress!

A．What               B．What a

C．How               D．How a

— What were you doing ______ I knocked at the door?

— I was sleeping.

A．unless              B．once

C．when               D．while

Mount Xiaolei is not far away from here, but it will still take us a few hours ______ there  by bike.

A. getting            B. to get

C. got               D. get