1.Bridgetworriedthatshemightnotbeabletobringbackmanysouvenirs(wereshetotake)onlyonesuitcaseonvacation.
A.括号内的原句
B.ifshewouldhavetaken
C.wasshetohavetaken
D.hadshetook
E.byhavingtaken
2.(Insomeplacestheseaisunusuallyrichinnutrientstinyplantsmultiplythere,)turningthewatergreen.
A.括号内原句
B.Wheretheseaisunusuallyrichinnutrients,tinyplantsmultiply
为何原句错
3.Inablindtastetest,peopleareasked(whichoutoftwoormoreproductsthatareunidentifiedthattheyareprefer.)
A.原句
C.whichoftwoormoreunidentifiedproductstheyprefer
E.fortheirpreferencefromtwoormoreunidentifiedproducts
为何E不对