请问If you___a glass(drop),it ____.(break)如何做?

请问If you___a glass(drop),it ____.(break)如何做? Did you___a letter to me last month?A.write B.writes C.writing D.wrote 请问glass 有关保险丝的 ____is made of____ 选什么?A.Glass；glass B.A glass；glass C.Glases；glasses D.Glass；glasses You___a lot in the past three years.A.have grown up B.grow up C.have grown D.grow glass glass glass GLASS you___a good student一定要正确 Magnifying glass 请问《放大镜》的英文简写 when a pencil is partly in a glass of water,it looks as if it＿ A.breaks B.has broken C.were broken D.had been broken When a pencil is partly in a glass of water,it looks as if it _______.A.breaks B.has broken C.were broken D.had been broken i will not swim in such a dirty river unless you___A.will B.are going to C.come D.do为什么选D,而不是选A 3._____ is made of _____. A. Glass; glass B. A glass; glass C. Glasses; glasses D. A glass; glasses详细讲解很久没上网了，不好意思。 A glass _____________ it.(drop/you/breaks/if) Must I finish my homework tonight?--No,you___A.mustn't B.needn't to C.don't have to D.don't need 选择：___we take the reference books home from the reading room?No,you___A.Can;needn't.B.May;mustn't.C.May;can't.D.Must;mustn't