I took my driving license with me on holiday, ________ I wanted to hire a car．

A．in case

B．even if

C．ever since

D．if only

When we saw the road ________ with snow, we decided to spend the holiday at home．

A．block

B．to block

C．blocking

D．blocked

Hurry up! Mark and Carl ________ us．

A．expect

B．are expecting

C．have expected

D．will expect

Many countries are now setting up national parks ________ animals and plants can be protected．

A．when

B．which

C．whose

D．where

I have an appointment ________ Dr．Smith, but I need to change it．

A．to

B．off

C．with

D．from

________ the course very difficult, she decided to move to a lower level．

A．Find

B．Finding

C．To find

D．Found

Shakespeare's play Hamlet ________ into at least ten different films over the past years．

A．had been made

B．was made

C．has been made

D．would be made

Don't turn off the computer before closing all programs．________ you could have problems．

A．or

B．and

C．but

D．so

Volunteering gives you a chance ________ lives, including your own．

A．change

B．changing

C．changed

D．to change

It's so nice to hear from her again．________, we last met more than thirty years ago．

A．What's more

B．That's to say

C．In other words

D．Believe it or not