Ourclassroom____everyday.△△△丶Ourclassroom____everyday.A.mustcleanB.iscleanC.mustbecleanD.mustbeclean▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、1.MrWangenjoys____byair(t

　　Ourclassroom____everyday.

　　△△△丶Ourclassroom____everyday.A.mustcleanB.iscleanC.mustbeclean

　　D.mustbeclean

　　▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、

　　1.MrWangenjoys____byair(travel)

　　2.Ifit____tomorrow.Iwillgoout.(rain)

　　3.Mary______Englishforsixyears(learn)

　　=====

　　-----------------------------------------------------------------------------------------------