a; a Р23.There is_______ orange tree behind_____ house.РA. an; the B. a; a C. the; the Р24.—How long did you stay there?Р--About half ___ hour.РA. a B. one C. anР6.形容词和副词Р1. It is generally believed that teaching is ________it is a science. Р A. an art much as B. much an art as C. as much an art asР2. Boris has brains. In fact, I doubt whether anyone in the class has ________ IQ. Р A. a high B. a higher C. the higher Р3. Allen had to call a taxi because the box was ________ to carry all the way home. Р A. much too heavy B. to much heavy C. heavy too much Р4. Mary kept weighing herself to see how much ________ she was getting.Р A. heavier B. heavy C. the heavier Р5. I don’t mind picking up your things from the store. _____, the walk will do me good.