Can tigers really ______? Yes, _______A.swim; they can’t B.swimming; they canC.swim; they can
( ) An elephant is much _________ than a mouse. A. longer B. bigger C. smaller
( ) I know “cm” is _______.
( )—What school are you in? —I’m in _______.
( )—Do you have a dictionary? —_______
( ) It’s time for _______.