—Look! He’s running so fast!
—Hard to______ his legs were once broken.
A.know B.imagine C.realize D.find
—I’d like some more cheese.
—Sorry, there’s _____ left.
A.some B.a little C.none D.few
I looked under _____ bed and found _____ book I lost last week.
A.the; a B.the: the C.不填;the D.the; 不填
Geography is the study of the countries of the world and of such things ______ the land, seas, climate, towns, and population.
A.as B.that C.which D.what
Late again! What’s your ______ this time?
A.expression B.saying C.meaning D.excuse
The professor was so ______, hardly anyone came to class.
A.popular B.boring C.friendly D.lively