________ life pace continues to speed up, we are quickly losing the art of enjoyment．

A．With

B．When

C．As

D．While

The jewelry shop is reported in the local newspaper ________ last night．

A．robbed

B．to have been robbed

C．having been robbed

D．being robbed

It seems that water ________ from this tap for some time．We’ll have to take it apart to put it right．

A．had leaked

B．is leaking

C．leaked

D．has been leaking

I really can’t understand ________ her like that．

A．you treat

B．you to treat

C．why treat

D．you treating

________ Professor Hawking stepped into the office I knew that there was no hope．

A．Unless

B．Now that

C．Although

D．The moment

John likes watching football matches alone at home, but dislikes playing football with us, and ________ Bob．

A．so does

B．neither does

C．so is

D．it’s the same with

________ thousands of Chinese students, Chuck has vast experience in the Chinese classroom．

A．Having taught

B．Taught

C．Teaching

D．To have taught

When she sings, Carol’s voice must be loud enough ________ by four thousand people．

A．to hear

B．to be heard

C．having heard

D．being heard

Looking at a problem in ________ as possible, you can find solutions that other people can’t find．

A．more ways

B．so many ways

C．too many ways

D．as many ways

Should you feel the urge to pack your bags and explore what the world has to ________, you might want to consider one of the destinations below．

A．prove

B．suggest

C．offer

D．expect