366.Animals should not be locked in cages;they should be in their normal_____.
A.environment B.position C.residence D.dwelling
[答案]A.environment.
[注释]environment(=surroundings,circumstances)环境，environment作集合名词用时，只用单数形式：We should work hard to improve our environment.(单词，不可数)Children need a happy home environment.(单数，可数)
367.I'm sorry but what he thinks is not of the_____importance to me.
A.merest B.lowest C.last D.least
[答案]D.least.
[注释]least是little的最高级形式。
368.He offered to_____her a hand as the suitcase was too heavy for her to carry.
A.lend B.help C.show D.loan
[答案]A.lend.
[注释]lend sb.a hand给某人帮个忙。
369.I have been looking for this book for months,and_____I have found it.
A.at least B.in no time C.at last D.at present
[答案]C.at last.
[注释]at last(=in the end)最终；at least至少；in no time立即，马上；at present目前。
370.It was the largest experiment we had ever had;it_____six hours.
A.ended B.finished C.prolonged D.lasted
[答案]D.lasted.
[注释]last vi.(for)持续。
