1.ThemostimportantcropinAlberta,Canadaiswinterwheatwhichisplantedinlatesummerandisripeforharvestingbylatespring.
(A)ready(B)intended(C)selected
2.GrandmaMosesbasedhersimplebutrealisticpaintingsofrurallifeonmemoriesofherownyouthinthelate1800s.
(A)country(B)family(C)everyday
3.In1896GeorgeWashingtonCarverbecamedirectoroftheDepartmentofAgriculturalResearchatTuskegeeNormalandIndustrialInstitute,apositionheretainedfortherestofhislife.
(A)expanded(B)managed(C)kept
4.AfterEmilyDickinsonretreatedfromtheworldattheageoftwenty-six,shewrotemorethanonethousandpoems.
(A)receivedpraisefrom(B)withdrewfrom(C)rebelledagainst
3.Kept
v.保持;维持;保管(keep的过去式和过去分词)
Ironcorrodesunlessitisgreasedorkeptclean.
4.withdrewfrom
v.退出;离开
Inrecentyears,IsraelwithdrewfromSouthLebanonandGaza.