Professor Williams keeps telling his students that the future ________to the well－educated.

A．belongs  B．is belonged

C．is belonging  D．will be belonged

The water ________ cool when I jumped into the pool for morning exercise.

A．was felt  B．is felt  C．felt  D．feels

—What's that noise?

—Oh，I forgot to tell you.The new machine ________.

A．was tested  B．will be tested

C．is being tested  D．has been tested

—Why does the lake smell terrible?

—Because large quantities of water ________.

A．have polluted  B．is being polluted

C．has been polluted  D．have been polluted

His sister left home in 1998，and ________ since.

A．had not been heard of  B．has not been heard of

C．had not heard of  D．has not heard of

In the near future，more advances in the robot technology ________ by scientists.(2011·湖南)

A．are making  B．are made

C．will make  D．will be made

John, a friend of mine, who got married only last week, spent $3,000 more than he ________ for the wedding.

A．will plan  B．has planned

C．would plan  D．had planned

—Hurry up！Alice and Sue are waiting for you at the school gate.

—Oh！I thought they ________ without me.

A．went  B．are going

C．have gone  D．had gone

We arrived at work in the morning and found that somebody ________ into the office during the night.(2011·江西)

A．broke  B．had broken

C．has broken  D．was breaking

By the time Jack returned home from England，his son ________ from college.(2011·辽宁)

A．graduated  B．has graduated

C．had been graduating  D．had graduated