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¡¡¡¡21. The little boy can’t find his mother. Let’s help ______.
¡¡¡¡A. him B. you C. her D. me
¡¡¡¡22. The foreign friends will come to our school ______ October 8th, 2015.
¡¡¡¡A. at B.in C. toD. on