Chemicals in the body ______our food _____ into useful things.
| A.break, into | B.break, up | C.break, down | D.break, off |
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 |
Jake’s passed his exams. We’re going out to ______.
| A.joke | B.invite | C.celebrate | D.argue |
We couldn’t understand: what could ______ his sudden change of mind?
| A.enjoy | B.explain | C.accept | D.mean |