--- ____is the weather like today?

--- It’s _____.

A. How; cloudy B. What; cloudy

C. How; cloud D. What; cloud

B

句意：—今天天气怎样？—多云。根据句意及题干分析问天气怎样应是What’s the weather like?或How’s the weather?所以排除A、C；第二空在is后应用形容词cloudy，故选B。