Riding bicycles makes us ___________.
A. to keep healthy B. keep health C. keep fit
—_______ are your pens?
—________ black．
A．What; It’s
B．What color; They’re
C．Where; Them
— Is that man（男人） his uncle?
—_________．
A．Yes, he is B．Yes, it is C．No, she isn’t
— Where is your ruler?
—_______ in the pencil case．
A．They are B．It’s C．This is
—What’s this in English, Miss Zhang?
—It’s ______ eraser．
A．an B．the C．a
—Do you like English?
—Yes, it’s．
A．boring B．interesting C．difficult