What do you think of the students of Meiling Middle School?—They study _____ harder than before.[]

Tom. Why do you look so tired? — Because I often study late ______ 10 o’clock at night.[ ]

His dog did everything he told it to do. ___ a most obedient animal.

______ have you known the city? For five years. [ ]

When is your birthday?—It’s ______. [ ]