小学英语：小升初语法专项训练27
（A)1. I usually ride the bike after school ______Mondays.
A. on B. in C. at
解析：在某天用介词on
（B)2．Is your mother strong ____weak?
A. and B. or C. but
解析：or表示选择，两者择一
（C)3. I get up ____7:00 every morning .
A. in B. on C. at
解析：在几点用介词at
