the end of next July this task ________ finished．

A．At; will have been

B．At; will be

C．By; will have been

D．By; will be

This kind of cloth ________ well and ________ long．

A．washes; is lasted

B．is washed; lasting

C．washes; lasts

D．is washing; lasting

I need one more stamp before my collection ________．

A．had completed

B．completes

C．has been completed

D．is completed

The three sisters decided to hold a family party to ________ their parents’ silver wedding．

A．celebrate

B．memorize

C．congratulate

D．welcome

________ more effectively with others, more and more people equip themselves with a higher education．

A．To compete

B．Being competed

C．Competing

D．Competed

Go and ________ when the train is leaving．

A．be sure

B．make sure

C．be sure of

D．be sure that

It’s harmful for the students to spend too much of their time ________ computer games．

A．play

B．to play

C．playing

D．played

－Sue, it’s you!I could hardly recognize you．

－Neither could I, for we ________ each other ________ 20 years．

A．haven’t seen; for

B．haven’t seen; since

C．didn’t see; for

D．didn’t see; since

Yesterday I ________ in the street when I ________ across one of my old classmates．

A．walked; was coming

B．was walking; came

C．walked; came

D．was walking; was coming

I ________ my driving test at this time last week．

A．have

B．had

C．was having

D．have had