The tour guide has made the route for the school trip．We don't need to ________ that．

A．be worried about

B．be afraid of

C．be sorry for

The sense of happiness will increase if you ________ what you like to do．

A．do

B．did

C．will do

How I wish I could sleep longer! However, I had to get up as soon as the alarm clock ________．

A．ran off

B．went off

C．took off

－Shall we go to the museum?

－All right! I hear them are many first class photographs ________．

A．on show

B．on board

C．on sale

Drivers shouldn't be allowed ________ after drinking, or they will break the law．

A．drive

B．driving

C．to drive

________ they have some opposite views, they all think Chinese medicine is helpful．

A．Until

B．Although

C．Since

The talented boy ________ write lyrics when he was at the age of ten．

A．may

B．could

C．must

The bag that my grandpa made for me ________ gets out of style, but it is still the best thing in my mind．

A．usually

B．normal]y

C．gradually

Why are you staying up so late playing computer games again? Stop being so ________!

A．funny

B．silly

C．serious

－I need a costume for tomorrow's performance, but it's too expensive．

－Why not ________ one?

A．buy

B．rent

C．lend