Which "ed" has the pronunciation of /d/?
– Which coat is _______, the black one or the gray one?-- The black one, of course.
—You speak Chinese very well._______ have you learnt , Amy?---For two years.
– Must I return this book tomorrow?-- No, you _______. You can keep it until next weekA can’t B. needn’tC. mustn’t D. shouldn’t
Kathy enjoys _______ mountains in autumn.
--___do you go and see your grandpa? –Once a week.