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

I ________ along the street looking for a place to park when the accident．

A．went; was occurring

B．went; occurred

C．was going; occurred

D．was going; had occurred

My cousin went to Canada two yours ago．He ________ there for a few months and then went to America．

A．worked

B．would work

C．would be working

D．has been working

________ a manned spacecraft to the moon will be the next important step to be taken by Chinese．

A．Launched

B．Having launched

C．Launching

D．To have launched

The most common thing to do on earth, such as walking and eating, can be ________ big threat if not handled(处理)properly in ________ space．

A．a;/

B．/;/

C．a; the

D．/; the

On seeing the wonderful sculpture(雕塑)，everyone present ________ a cry of surprise．

A．let out

B．give away

C．bring in

D．make up

Hospital staff(工作人员)burst into cheers after doctors completed a 20－hour operation to have one－year－old twins ________ at the head．

A．isolated

B．separated

C．divided

D．remove

As we joined the big crowd, I got ________ from my friends．

A．spared

B．lost

C．separated

D．missed

He must ________ a shower, for I can hear the water ________．

A．have; run

B．be having; run

C．have; running

D．be having; running

The story is true．It is not ________ by some writers．

A．made up

B．made into

C．made up of

D．made from