We often hear him ______ the piano in the afternoon.
--- Whose comic book is it? --- It ________ be Daniel’s. He often shares his comic books with his friends.
The English text is very easy because there are only _______ new words in it.
--- Does Mike play basketball every day? --- He ________ that way, but now he plays only on Sunday.
I ________ think smoking _______ good for you.
Do you come to school by yourself ______ with a friend?