1 . Take an umbrella with you, for the weather is ________ at the time of the year. (change)

2 . The weather is very ________ at this time of year. (change)

3 . — Many people say the temperature in Yangzhou this spring is just like a roller coaster.
— I can’t agree more. ________ !

A．What a strange weather!	B．How a strange weather!
C．What changeable weather!	D．How changeable weather!

4 . This spring is really __________. The highest is 29℃ and the lowest is 2℃.(change)