Mr．White is in Beijing, running a small company ________ in Zhongguancun together with his friends．

A．to base

B．basing

C．to be based

D．based

The theory ________ by Einstein was later to prove true but at that time, few people would accept it．

A．put out

B．put together

C．put aside

D．put forward

________ he come, the problem would be settled．

A．If

B．Shall

C．Should

D．Would

The new books are of great use．They ________ well and ________ already．

A．sell; have been sold out

B．sold; had sold out

C．sell; sell out

D．sold; have sold out

________ by his accent, he boy must have come from a North European country, say, Norway or Finland．

A．Having judged

B．To judge

C．Judged

D．Judging

Some experts demand that children ________ time for sleep and play．

A．give

B．should give

C．would be given

D．be given

________ was a time ________ women had no right to vote．

A．There; when

B．There; that

C．It; when

D．It; that

Blacks held demonstrations to ________．

A．make their voices heard

B．let their voice heard

C．make their voice hearing

D．let their voices hear

The police ________ the ________ prisoner．

A．is after; escaping

B．are after; escaped

C．are after; escaping

D．is after; escaped

Why didn’t you tell me there was no meeting today?I ________ all the way here through the heavy snow．

A．needn’t have driven

B．can’t have driven

C．mustn’t have driven

D．shouldn’t have driven