( )If you like science, you can _______ a scientist. A. am B. are C. be
__________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 ___________.