koss porta pro:Jim is_(a,/,an,the)
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American boy
要看后面是什么。
Jim is a Chinese/Canadian.
Jim is an English boy/American.
Jim is the best friend of mine.
hey,plz,u didn't complete ur question!
如果后面是名词,第一个字母是A、E、I、O、U用an,反之用a.其他情况(如:形容词最高级)用the。如果还是不知道的话可以看看语法书!
什么意思?题目不全啊!
Jim is_(a,/,an,the)
Lin Tao is_(/ a an)Chinese
已知数列{an},a1=1,1/a(n+1)=t/an+1,记bn=1/an+1/(t-1)
Jim!_______come in,please. A.No B.Does't C.Not D.Don't
Jim doesn\\\'t have a brother___sister? A.and B.and a C. or D. or a
Jim doesn\\\'t have a brother___sister? A.and B.and a C. or D. or a
Because she hasn't enough mony to buy a present for her husband Jim.
a /an 是不是实词
An + 1/An = A(n+1) A1=2 求An通式
A(n+1)=(An^2+An)/2 求An