Because of her devotion _____ music, she has become friendly with Mr. Zhang.
____________ two exams to worry about, I have to work really hard this weekend.
While shopping, people sometimes can't help ________ into buying something they don't really need.
The teacher bought many books for her students, which _____ 500.
My younger brother dreams ________________ a spaceman.
Is he honest? I find ____ hard to believe what he said.