1.The watch I picked on a narrow path_______ its way on the hill had stopped and need _____up
A.wound;wound B.winding;wound
C.wound;winding D.winding;winding
2.Telephone users sometimes complain about unreliable service and _____they consider unfair charges
A.which B.that C.what D.how
3.I could have helped the old man _____yesterday morning
A.did I come B.if I came C.had I come D.if I should come
4 In warm weather, fruit and meat _____long
A.doesn't keep B.can't keep C.won't keep D.won't be kept
5.In truth,it is only in the past few decades that red envelopes ______so commonly used.
A.become B.became C.have become D.had become
6.This is the only way we can imagine ______the overuse of water in students'bathrooms
A.reducing B.to reduce C.reduced D.reduce