—Do you think the weather will?—I don’t think so the weather is changing all the time duri

问题补充：

—Do you think the weather will?

—I don’t think so,the weather is changing all the time during these days.

A. keep back

B. keep up

C. keep out

D. keep up with

答案：

A. keep back

(答案→)B. keep up

C. keep out

D. keep up with

解析：keep up持续，继续。本句意思为“你认为这样的天气会持续下去吗？”