--What time does the library open in the morning?
--It opens 9 a. m.
in
on
at
between
They always end up in English.
“you ever by listening to tapes?” “Yes, I have.”
When you find some new words, you’d better in the dictionary.
Our teacher added that watching English-language TV also helpful.
“do you study a test?” “I study by reading the textbook.”