The old man turned his horse, ________ his hand, and smiled．

A．shook

B．waved

C．held

D．took

Thank God, you finally arrived ________．You can never imagine how I worried about you when I was told about the accident．

A．safe

B．alone

C．separately

D．lively

John has put on so much weight recently that his mother has to ________ all his trousers to his measure．

A．let out

B．give away

C．bring in

D．make up

My cousin came to see me from the country, ________ me a full basket of fresh fruits．

A．brought

B．bringing

C．to bring

D．had brought

We often provide our children with toys, football or basketballs, ________ that all children like these things．

A．thinking

B．think

C．to think

D．thought

A computer ________ think for itself; it must be told what to do．

A．can't

B．couldn't

C．may not

D．might not

The fire spread through the hotel very quickly but everyone ________ get out．

A．had to

B．would

C．could

D．was able to

Although he was badly hurt, he ________ explain what had happened．

A．could

B．might

C．was able to

D．could not

________ his being late again, he lost his job and had to stay at home．

A．Owe to

B．As result of

C．In case of

D．Because of

________ from other continents for millions of years, Australia has many plants and animals not found in any other countries in the world．

A．Being separated

B．Having separated

C．Having been separated

D．To be separated