－I drove to Zhuhai for the air show last week．

－Is that the reason ________ you had a few days off?

A．why

B．when

C．what

D．where

Then the great day came ________ he was to march past the palace in the parade．

A．where

B．since

C．when

D．till

He made another wonderful discovery, ________ of great importance to science．

A．which I think is

B．which I think it is

C．which I think it

D．I think which is

Alec asked the policeman ________ he worked to contact him whenever there was an accident．

A．with him

B．who

C．with whom

D．whom

We will be shown around the city：schools, museums, and some other places, ________ other visitors seldom go．

A．what

B．which

C．where

D．when

George Orwell, ________ was Eric Arthur, wrote many political novels and essays．

A．the real name

B．what his real name

C．his real name

D．whose real name

American women usually identify their best friend as someone ________ they can talk frequently．

A．who

B．as

C．about which

D．with whom

What surprised me was not what he said but ________ he said it．

A．the way

B．in the way that

C．in the way

D．the way which

There are two buildings, ________ stands nearly a hundred feet high．

A．the larger

B．the larger of them

C．the larger one that

D．the larger of which

There was ________ time ________ I hated to go to school．

A．a; that

B．a; when

C．the; that

D．the; when