Scientists also have no idea how long it will be before all wild animals in the cages _____

Was it what he said or something that hedid ______ made you cry so sadly，Sarah— No，not really

I’mnotsurewhetherI’llsucceedinpersuadinghertojoinus_______,I’lltrymybesttomakeit[ ]

Food supplies in the flood-stricken area _______We must act immediately before there’s none left

“I heard they went skiing in the mountains last winter.” “It _________ true because there was little snow there.”