必须以字母开头。
When you write a sentence, you must begin with a capital letter and end with a full stop.
你在写一个句子时，句子开头要用大写字母，结尾用句号。
A sentence must begin with a capital letter.
句子首字母要大写。
Class and interface names begin with a capital letter, as in Frame.
类和接口名以大写字母开头，如Frame。
Method, field, and local variable names begin with a lowercase letter, as in read .
方法、字段和本地变量名以小写字母开头，如read 。
All proper nouns begin with a capital letter.
所有的专有名词都以大写字母为首。
This line should begin with a capital letter and end with a period.
这一行应该以大写字母开头，以句号结尾。
You will note that proper nouns begin with a capital letter.
你会注意到专有名词的第一个字母是大写的。
This line should begin with a capital letter and end witha period.
这一行应该以大写字母开头，以句号结尾。
The first word of a sentence should begin with a capital letter.
句子第一个词的第一个字母要大写。
Every written sentence should begin with a capital letter.
每个书写出来的句子开头都要用大写字母。
You begin with "My name is …" and you have a name with the letter A.
你首先说“我叫…”，这个名字的首字母应该是A。
Which words begin with letter A?
哪些词是以字母A开头的单词？
Which words begin with the letter A?
哪些词以字母A开头？
Which words begin with the letter A?
哪些词以字母A开头？
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