It is______ a sharp knife ______I can use it to cut open a hard pumpkin.[ ]

What do you think of the book A Haw Tree written by a woman writer?—It reminds me of the days _____ I spent in the countryside.[ ]

How old is Tom?—He is ____.

_____ the fans are waiting for the popular singer outside the concert hall.

I’m fed up with studying. —What nonsense! You’ve only got one year more to do. Then you’ll have your qualification and after that _____________