(届北京市东城区普通校高三3月联考)What a kind teacher. But for his help, I __________ my study.
84. Too fast driving could _____ you your life. You can never be too careful. A causeB. takeC. spendD. Cost
83. The whole class, _____ our head teacher, went out to give our school a spring-cleaning the other day.
82. --- What do you think of John? --- We all _____ him a clever boy.
81. With the aid of public bids(公开招标) our town government decided to _____ the two villages by a highway.
80. Poets often _________ spring to hope; autumn to harvest .