可数名词
Parents today are concerned that their children are spending too many time on a computer or other electronic devices.
Parents today are concerned that their children are spending too many time on a computer or other electronic devices.
Every day _____ water is wasted here though we are badly short of it.
Every day \_\_\_\__ water is wasted here though we are badly short of it.
I woke up with _____ bad headache, yet by _____ evening the pain had gone.
I woke up with \_\_\_\__ bad headache, yet by \_\_\_\__ evening the pain had gone.
The development of industry has been _____ gradual process throughout _____ human existence, from stone tools to modern technology.
The development of industry has been \_\_\_\__ gradual process throughout \_\_\_\__ human existence, from stone tools to modern technology.
When a water is heated, it changes into vapor.
When a water is heated, it changes into vapor.
I got _____ money with me, so I wasn’t able to buy even a bottle of water!
I got \_\_\_\__ money with me, so I wasn’t able to buy even a bottle of water!
It is often said that _____ teachers have _____ very easy life.
It is often said that \_\_\_\__ teachers have \_\_\_\__ very easy life.
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