đây giúp mik vs nhé …

173. Excuse me. Can I sit here ? .. A. sure ! B. here you are C. Yes, I can D. I'm sure 174. How ........ do you study in the school library ? - Every afternoon. A. usually B. never C. sometimes D. often 175. Tom is ten years But he is very tall. A. age B. old C. high D. long homework. ...