—ToomuchhomeworkhasmademetiredthesedaysMr.Zhang.—That’strue.Butasmalltreewon’tgrowintoabigtreeitexperienceslotsofwindsandrains.A.if

Question

—Too much homework has made me tired these days Mr. Zhang.

   —That’s true. But a small tree won’t grow into a big tree         it experiences lots   of winds and rains.

A. if           B. because          C. when             D. unless

Answer 1

D