1 .______ wind or rain,we always go to school on time.
A.Whether B.If C.No matter D.Regardless of
2._____ that they had to stay at home all day.
A.So the weather was terrible B.The weather so terrible was
C.So terrible was the weather D.So was the terrible weather
3.No matter how difficult it is,we are determined to _____ at this idea.
A.have a try B.try C.have a go D.work