“Life is like walking in the snow，”Granny used to say，“because every step ________.”(2012·新课标全国)

A．has shown B．is showing

C．shows D．showed

The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.(2011·江苏)

A．suggest B．suggests C．suggested D．suggesting

A lot of people often forget that oral exams ________ to test our communicative ability.

A．design B．are designed

C．are designing D．are being designed

My parents ________ in Hong Kong.They were born there and have never lived anywhere else.

A．live B．lived

C．were living D．will live

The three of us ________ around Europe for about a month last summer.(2012·天津)

A．travelled B．have travelled

C．had travelled D．travel

When I got on the bus，I ________ I had left my wallet at home.(2011·山东)

A．was realizing B．realized

C．have realized D．would realize

Excuse me.I ________ I was blocking your way.

A．didn't realize B．don't realize

C．haven't realized D．wasn't realizing

In 1492，Columbus ________ on one of the Bahama islands，but he mistook it for an island off India.

A．lands B．landed

C．has landed D．had landed

I ________ in London for many years，but I've never regretted my final decision to move back to China.

A．lived B．was living

C．have lived D．had lived

—Ann is in hospital.

—Oh，really？I ________ know.I ________ go and visit her.

A．didn't；am going to B．don't；would

C．don't；will D．didn't；will