高中英语单项选择,
"Lifeislikewalkinginthesnow,"Grannyusedtosay,"becauseeverystep_____
A.hasshown B.isshowing C.shows D.showed
-HaveyoufinishedyourEnglishcompositionyet?
-No,I___mymathhomeworkalldayyesterday.
A.wasdoing B.woulddoC.haddoneD.did
Thenewbuildingis___beingcompleted.
A.underthewayof B.bythewayof C.onthewaytoD.inthewayof(不清楚这几个选项的意思)