--- Steve is good at writing stories. --- So he is. But he writes ____ than us. So he can get good grades in writing.

As students, we must study hard, because ___________ we study, ________ grades we’ll get.

 I think the trousers are a little expensive , can you show me          .

---What do you think of Andy’s singing? --- No one does       .

— How clever you are! How can I know as much as you?— ______ you read, _______ you can learn.