is
由and連接的并列結(jié)構(gòu)作主語,可根據(jù)主語的意義決定謂語動詞的單、復(fù)數(shù)形式.
例如：
Good and bad taste are inculcated by example.
Fish and chips are getting very expensive.
A truck and a car were in the ditch.
當(dāng)and連接的并列名詞詞組帶有each,every,或者many a 等限定詞時,謂語動詞通常用單數(shù).
例如：
Each man and each woman there is asked to help.
Every flower and every bush is to be cut down.
Every change of season,every change of weather,indeed every hour of the day,produces some change in the magical hues and shapes of these mountains.
Many a boy was disappointed after seeing the film.