I’d appreciate ____ if you would like to teach me how to use blog and twitter on the Internet.

_____ has your friend studied English? —Since 2001.[ ]

What do you think of Billy, the shortest boy in our class? —I think he is _________ honest boy.

Look at that girl! Is that Susan?—No , it _______ be her. She has gone back to her hometown.

do you usually get up every day?—I usually get up at five thirty.[ ]