He traveled to many mountain villages and saw many poor children out of school.
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He traveled to many mountain villages and saw many poor children out of school. This experience _______ his life.
A.would change
B.had changed
C.was to change
D.was changing
试题答案
C
be to do表示预定，命运，意为“注定要……”。本句意为“这个经历注定要改变他的生活”。A项表示过去将来，意志或倾向。