请将每题的答案选项的大写字母填入每空。 1.Evidence came up _____ specific speech sounds are recognized by babies as young as six months old. A. which B. what C. that D. when 2.I haven’t decided _____ hotel to stay at. A. which B. what C. at which D. where 3.______surprises most of us. A.Wolves are afraid of us B.The fact that wolves afraid men C.The fact that wolves are afraid of men D.Wolves’ afraid of men 4.The announcement ______all flight were cancelled because of bad weather greatly distressed the waiting passengers. A. that B. which C. why D. of which 5.The question is ______can be put into practice. A.how you have learned B.how what you have learned C.that why you have learned D.how that you have learned