— I hear your pen friend is visiting Suzhou at present. Is it the ______ time for her? — Yes, and she will come for a fourth time next summer.
The book is so boring. I can’t find _______________ in it.
Betty writes ___________ than ___________ student in her classroom.
I can’t understand the story correctly _________ the new words in it.
--Is that Mr. Green? ---No, Mr. Green is an ___________ man. But this man is only about _________.
--Do you mind if I take the seat next to yours? --________________. It hasn’t been taken yet.