—Tina, is that our math teacher Mr. Wang?
—It ________ be Mr. Wang. He has gone to Beijing.
must
mustn’t
can’t
can
Please call Ken ______ 865-3362.
Do you think the story is ______?
-Are you gooddancing ?-Yes, I dance very.
This kind of candy smells terrible, but it ______ delicious.
-Can you play basketball?-Sorry,.