1 . At no time during that conversation _________ by the attacker’s words.

A．was anybody threatened	B．did anybody threaten
C．anybody was threatened	D．did nobody threaten

2 . He boarded the airplane as if he ________ an experienced traveller, yet he had never left town before.

A．is

B．were

C．has been

D．had been

3 . This program is designed to help students recognize ______ we should do to live a low-carbon life.

A．that

B．what

C．why

D．which

4 . Doctors were trying their best to help the patient         severe lung cancer.

A．suffered from

B．suffered

C．suffering from

D．having suffered

5 . With the development of the Internet and society, the traditional economy has gradually       the Internet economy, which is now an important component of today’s economy.

A．given back to

B．given way to

C．given away

D．given up

6 . Despite the great trouble they had       the survey, they collected the data they had been looking for.

A．conducting

B．to conduct

C．conducted

D．been conducting

7 . It is Victor Hugo’s novel, the Notre-Dame de Paris          reminds people to protect the beautiful old buildings.

A．who

B．where

C．that

D．which

8 .          on the data collected, the latest technology does make a difference to the protection of the Amazon rainforest.

A．To base

B．Basing

C．Based

D．Base

9 . The old man       more than 1 million dollars to help poor students in the remote mountain village.

A．established

B．aided

C．exchanged

D．donated

10 . —You should         enough time to discuss these matters.
—I know, but I have really been too busy recently.

A．set aside

B．set back

C．set down

D．set up