Mr. Joe has worked very hard in the past two years and has paid all his debts__________the last penny.

[单选题]Over the past 20 years, the Internet has helped change our world in way or another for the better.A． anyB. one C. everyD. either

[单选题]Mr. Cook has not commented ________these reports.A．inB．ofC．withD．on

[单选题]D．uring the past two decades，research has______our knowledge of daydreaming.A．expandedB．emergedC．descendedD．conquered

[单选题]During the last few years，it has been realized that maintenance of programs is more expensive than development,so reading of programs by humans is as important as (73) them.(73) A．editingB．writedC．writtenD．writing

[单选题]D．uring the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(67)them.A．editingB．writedC．writtenD．writing

[单选题]D．uring the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.A．editingB．writedC．writtenD．writing

[单选题]Mr. Wang and his son, both looking very happy, ______ taking a walk in the park.A． areB． isC． hasD． have

[主观题]Mr. White has been --------（缺席的）from work for days, so he knows nothing about our new plan.

[单选题]Mr. Johnson has a habit of asking questions _________.A.and then not listen

[单选题]Acme Corp. has reported the following financial ratios for the past two yea