---That black T-shirt with Yao Ming’s picture on it ____ belong to David. He likes him very much.---No, it ____ be his. He hates black colour.
—Do you often watch Man and Nature on TV? —Sometimes. It’s an interesting program, but I ______ Sports News.
Hurry up! The sky is covered with black clouds. I’m afraid it ______.
The skirt ______ soft as if it is made of silk.
It’s a bad habit to ______ what you can do today until tomorrow.
Here is my phone number. You ______ call me anytime you like.