—What are they doing?—They are________a sandcastle.A.paint B.painting C.paints
__________are good friends.
—__________is the time? —__________is about seven twenty-five.
Look, that’ s __________apple here. Under__________tree, you can see __________cat.
—Excuse me, Jack. Where is the bus? —___________.
—What is thirty and twelve? —It’ s ___________.