说明理由1.Alice ________(post) the parcel just now.2.I don't know when we shall leave for Moon Bay.(保持句意不变)I don't know when ________ ________ for Moon Bay.3.The boy asked that his parents should not gamble any longer.(用不定式该

说明理由1.Alice ________(post) the parcel just now.2.I don't know when we shall leave for Moon Bay.(保持句意不变)I don't know when ________ ________ for Moon Bay.3.The boy asked that his parents should not gamble any longer.(用不定式该 cos2x+sin2x=________（请说明理由!） Alice is studying Chinese .Eric is also studying it.(合并为一句) ______ ______ Alice ______ ______ Eric ______ studying Chinese.请说明理由. 英语单项选择：1.Where was Alice’s sister?I don’t know where ________.A.was Alice’s sister B.Alice’s sister wasC.is Alice’s sister D.Alice’s sister is2.What did he say?I don’t know what _________.A.did he say B.he says C.he has sa 能说说理由就更好了Can you make sure _________ the gold ring?A.Where Alice had putB.Where had Alice putC.Where Alive has putD.Where has Alice putWord came ________ his poem won the first prize.A.thatB.whetherC.asD.becauseI remember ______ thi 【英语】Mother was worried because litter Alice was ill……Mother was worried because litter Alice was ill,eapecially _______ Father was away in France.A.asB.thatC.duringD.if说明理由. 一道数学题目 说明理由 谢谢1. 若不等式2X>a,X∈(2,3)有解,则实数a的取值范围为________. Alice alice 17 ,19 ,________,29 ,31 ,37A、21 B、23C、25 D、27说明理由 Come on,children!Help ________ to some meatA.yourself B.yourselves请说明理由 mouse的复数是________ (A) mice (B) mouses 并说明理由 ________(watch) too much TV is bad for your eyes .解释并说明理由 I live in China.________ is a big country.(A) It(B) She并说明理由 What ________ you _________(do)in your free time.说明理由 ________(look) at zhe picture,please!该填什么?请说明理由. The woman is very grateful _____him ________ his help.解释句意并说明理由. 填介词,说明理由,He embarked ________ a new career as a teacher.