中国大学MOOC: Working conditions have changed________ in the last ten years.

Water ____ into ice. A: will changed B: must be changed C: should change D: can be changed

-Our country a lot so far.-Yes. I hope it will be even . A: has changed; well B: changed; good C: has changed; better D: changed; better

These plans must bemodifiedif they're to be used successfully. A: changed greatly B: changed slightly C: changed completely

—Our country ____ a lot so far .—Yes . I hope it will be even ____ . A: has changed , better B: has changed , well C: changed ,best D: changed , better

The role of American women______significantly from the time the nation was born, to the modern era of the 1950s and 1960s. A: has changed B: has been changed C: changed D: had been changed

When word stress is changed, meaning can be changed in English.

Education has changed enough, so it will not changed any more.

Our city _________a lot over the past few years. A: changed B: has changed C: have changed D: change

I can’t catch up with the fashion, because the clothes style_______ all the time. A: has changed B: is changed C: is changing D: changed