Cleaners do ( ).They keep our city clean and tidy A an important workB a important job C important work D important job

Cleaners do ( ).They keep our city clean and tidy A an important workB a important job C important work D important job
Cleaners do ( ).They keep our city clean and tidy A an important work
B a important job C important work D important job

Cleaners do ( ).They keep our city clean and tidy A an important workB a important job C important work D important job
选C
A项：work为不可数名词,前面不要冠词
B项:important 前应用an

c

选B。work是不可数名词，前面不能有冠词a. job可数,加上important的发音是元音音素开头,要用an.

A

practical possible practical

选B

c

C 原因：work是不可数名词，前面不用冠词，job为可数名词，前面可以用冠词修饰，可以说 an important job,而work 只可以说important work，所以答案选C