Selecting a mobile phone for personal use is not a easy task because technology ________ so rapidly．

A．is changing

B．has changed

C．will have changed

D．will change

－What were you doing when Tony phoned you?

－I had just finished my work and ________ to take a shower．

A．had started

B．started

C．have started

D．was starting

－What's that terrible noise?

－The neighbors ________ for a party．

A．have prepared

B．are preparing

C．prepare

D．will prepare

________ modeling business is by no means easy to get into, the good model will always be in demand．

A．While

B．Since

C．As

D．If

________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons．

A．What, why

B．That, what

C．What, because

D．Why, that

She didn't buy the dress．________, its style didn't suit her; ________ it was too expensive．

A．For one thing; for another

B．For one thing; but also

C．On the one hand; for another hand

D．For the one hand; on the other hand

The new computer is used ________ the tickets which passengers buy．It also ________ a record of the date on which they will travel．

A．to record, keeps

B．for recording, sets

C．to recording, keeps

D．for record, sets

After we heard the ________ news, both of us ________．

A．encouraging; were encouraging

B．encouraging; were encouraged

C．encouraged; were encouraged

D．encouraged; were encouraging

There are five pairs ________, but I'm at a loss which to buy．

A．to be chosen

B．to choose from

C．to choose

D．for choosing

It was only with the help of the local guide ________．

A．was the mountain climber rescued

B．that the mountain climber was rescued

C．when the mountain climber was rescued

D．then the mountain climber was rescued