a表示泛指, a knife是刀这种工具而不是这把刀, 如果是定冠词the那就表示特指了,特指的某样动西,用了the knife就是谈话或文里提到的某把刀了
后面的go on a vacation 也是指去度假,是泛指
a 和 the 的使用区别 不定冠词：代表一类人或物.例如：A knife is a tool for cutting
2个回答
相关问题
-
英语同义句转换 A knife is used for cutting things.
-
( )I cut the bread ___ a knife A.for B.in C.on D.with
-
My mother cut the cake ( ) a knife
-
this kind knife is cutting metal a.used for b.used to c.used
-
定冠词the用单数名词前表示一类人或物 还是复数啊
-
关于介词请问with和in 有什么区别,例如：1.Cut it with a knife2.She wrote it i
-
定冠词the用单数名词前表示一类人或物 还是复数啊如：a box of matches,主语是a box 还是match
-
a tool for cutting,made of two sharp blades and a handle wit
-
my mother cut the cake（介词）a knife
-
The knife ___we used to cut the bread is very sharp.A.with w