87. It's believed that mixed-ability teaching can _______________(促使他們知識(shí)的積累和經(jīng)歷的豐富).
88. We _______________(使我們的行為符合別人的)based on a constant mental process of appraisal and interpretation.
89. The class are very active. They ________________(爭(zhēng)先恐后地回答問(wèn)題).
90. Oxygen is ________________(一種能和許多物質(zhì)化合的氣體).
91. Mr. Smith is ________________(這次事故的目擊者之一).