D．uring the past two decades，research has______our knowledge of daydreaming.

A．expanded

B．emerged

C．descended

D．conquered

The country has ____________ too many wars in the past few decades; its people a

[单选题]Without question, people’s lives in China have improved dramatically in the

And who can blame them? In the past two decades, house prices have doubled in re

The country has too many wars in the past few decades;its people are longing for

The country has_too many wars in the past few decades;its people are longing for

Obama has established or enlarged ________ national monuments during his two ter

Anyone who has bought Irish bacons, sausages or other pork products over the pas

[单选题]Mr. Joe has worked very hard in the past two years and has paid all his deb

[单选题]Over the past decades, sea icein the Arctic as a result of global warming.A． . haddecreased Bdecreased C has been decreasingD is decreasing

In the past two years the young man has made great progress and now he can work