When he        the door, he found his keys were nowhere．

A．would open             B．opened            C．had opened            D．was to open

-- 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 

A good friend of mine from         I was born showed up at my home right before I left for Beijing．

A．how           B．whom       C．when         D．which

The way the guests _______ in the hotel influenced their evaluation of the service．

A．treated                                  B．were treated

C．would treat                           D．would be treated

It was _____ he came back from Africa that year _________ he met the girl he would like to marry．

A．when; then           B．not; until         C．not until; that           D．only; when

Some people fear that ________ air pollution may bring about changes in _______ weather around the world．

A．/; the          B．the; /          C．an; the        D．the; a

For a moment nothing happened．Then        all shouting together．

A．voices had come                                     B．came voices

C．voices would come                                        D．did voices come

The traffic is heavy this day; I            arrive a bit late, so could you save me a place?

A．can           B．must            C．need               D．might

-- Do you mind my opening the window? It’s a bit hot in here

--_____________ .

A．Go ahead         B．Yes, my pleasure              C．Yes, I do         D．Come on

--How about your journey to Mount Emei?

--Everything was wonderful except that our car _________ twice on the way．

A．slowed down         B．broke down        C．got down          D．put down