The grammatical words which play so large a part in English grammar are for
the most part sharply and obviously different from the lexical words. A rough
and ready difference which may seem the most obvious is that grammatical __1__
words have “less meaning”, but in fact some grammarians have called them __2__
“empty” words as opposed in the “full” words of vocabulary. But this is a rather __3__
misled way of expressing the distinction. Although a word like the is not the name __4__
of something as man is, it is very far away from being meaningless; there is a __5__
sharp difference in meaning between “man is vile” and “the man is vile”, yet the
is the single vehicle of this difference in meaning. Moreover, grammatical words __6__
differ considerably among themselves as the amount of meaning they have even in __7__
the lexical sense. Another name for the grammatical words has been “little words.”
But size is by no mean a good criterion for distinguishing the grammatical words.” __8__
of English, when we consider that we have lexical words as go, man, say, car. __9__
Apart from this, however, there is a good deal of truth in what some people say:
we certainly do create a great number of obscurity when we omit them. This is __10__
illustrated not only in the poetry of Robert Browning but in the prose of telegrams
and newspaper headlines.

参考答案及解析:
1 删掉the
此处的most并不表示obvious的最高级，而是用作副词修饰obvious，表示程度很高，因此前面不能加the。

2 将but改为and
根据文章的意思，这里要用并列关系的and。

3 将in改为to
as apposed to 是固定搭配，意思是“与……相比”。

4 将misled改为misleading

5删掉away
此处考查固定用法。 far from being...意思为“远非”“远远不怎么样”，符合这里的意思。而far away from 表示离某处很远。

6 将single改为only或者sole
这里要表达“唯一的”。

7 在as后面加to或者将as 改为in
联系上下文，此处的意思是“grammatical words 本身在某某方面也有相当的差异，”as to 有“关于”或者“在某某方面的意思”；将as改为in，用differ from something in…也可表达这个意思。

8 将mean改为means

9 将as改为like，或者在as前面加such

10 将number改为deal或者amount
obscurity是不可数名词，不能用a number of 来修饰。

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