---Listen! Who ______ in the next room? ---I think Sam is.
The boy ______ a piece of waste paper, and put it into the rubbish bag.
Henry speaks Chinese very well. He ______ in China since 2002.
—How about the dishes? —Fantastic! Nothing tastes _______.
—You look worried. What’s your _______? —I have trouble learning English.
—Would your younger brother go for a picnic this Sunday?—If I don’t go, _______.