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问题: english

1>You're eighteen years old. You should _ your family.
A,independent of B,independent from C,be independent of D,be independent from
2>Hearing that he ate twenty eggs_,we were very surprised.
A.at the same time B.at a time C.at one time D.at once
3>—Are you still busy?—Yes, I ______ my work, and it won't take long.
A. just finish B am just finishing C. have just finished D. am just going to finish
麻烦具体讲一下

解答:

1>You're eighteen years old. You should _ your family.
A,independent of独立于;不受...的支配 B,independent from C,be independent of不依赖于...独立于....之外 D,be independent from
这里只考查AC的区别.
句子翻译为:你18岁了.你应该不依赖于你的家庭.
AC貌似相同,其实还有区别.您看看意思.
选C
2>Hearing that he ate twenty eggs_,we were very surprised.
A.at the same time 同时B.at a time一次 C.at one time 曾经;一度D.at once 马上
句子翻译为:听到他一次吃了20个鸡蛋的消息,我们都非常惊讶.
选B
3>—Are you still busy?—Yes, I ______ my work, and it won't take long.
A. just finish一般现在时,强调动作,不与后面will有联系 B am just finishing 正在进行的动作.表示安排的即将发生的动作C. have just finished已经完成,强调结果.可排除. D. am just going to finish 表示计划将去做的动作.
我认为:这里应该用现在进行时表示将来的动作.表示安排即将做的动作.
句子翻译为:你仍在忙吗?是的,我的工作马上就好.
选B