either 两个中的一个 经常用either...or... 可以连接词和词或句子和句子 例子：you can choose ethier red or blue either he went to the market,or he stay at home also 也 放实意动词前 例子：i also play the piano 放be动词或助动词后 例子：i was also a dancer i have also brought some candy 放句首 例子：also,i went to the party 不放句尾 or 或 连接词和词或句子和句子 例子：i can go swimming or runing i can go to swim or to run i can go shopping ot i can join the party too 也 放句尾 例子：i like her,too.
