________ to somebody, a British person often shakes hands with the stranger．

A．Introducing

B．To introduce

C．To be introduced

D．On being introduced

It was the hurricane ________ was called Katrina ________ destroyed the city of New Orleans．

A．which; that

B．what; which

C．which; who

D．that; which

________, the gathering crowd burst into applause．

A．On entering the hall

B．When he took the floor

C．The speaker took his place

D．No sooner had the speaker entered

AIDS is spreading all over the world at shocking speed．Where its dark ________ appears, we see pain, tears and death．

A．shape

B．shadow

C．ambition

D．feeling

－Listen!Someone is knocking at the door．

－________ be Mary．She has just been to Beijing

A．She mustn’t

B．It can’t

C．It must

D．She may

The Shengzhou VI aircraft carried two astronauts into ________ sky at 9∶00 am on October 12, 2005 and the two astronauts will stay in ________ space for five days．

A．a; the

B．the; 不填

C．the; the

D．a; 不填

It is generally considered unwise to give a child ________ he or she wants．

A．however

B．whatever

C．whichever

D．whenever

The newly learnt words will soon be forgotten ________ frequently used in everyday communication．

A．if they are

B．unless they are

C．when they are

D．till they are

________ I enjoy the book with some nice pictures, I don’t have enough money to buy it．

A．Since

B．While

C．As

D．If

In a big hall above the supermarket, where a party ________, some salesgirls were busily setting the table．

A．was to be held

B．has been held

C．will be held

D．is being held