（ ）parents say and do has a life-long effect on their children.

I want to be told all（ ）.

He is the only one of the sons in the family who（ ）received high education.

By boat is the only way to get here, which is （ ） we arrived.

Scientists have obtained more evidence （ ） plastic is finding its way into the human body. 

We have entered into an age （ ） dreams have the best chance of coming true. 

I don’t know why（ ）late for class.

In the first semester, I asked my teacher（ ）.

（ ）I could say anything more, Holmes had rushed off towards the door.

​— You’ve got a stomachache? But we ate at the same place. How come my stomach is fine? 

— You have an iron stomach! Mine isn’t（ ）strong.

The TV play we watched last night was very（ ）.

Self-driving is an area （ ） China and the rest of the world are on the same starting line.

What I want to know is （ ） he likes the gift given by us.

"Every time you eat a sweet, drink green tea."This is （ ） my mother used to tell me.

Richard swims three times a week after work. This is （ ） he keeps fit.

— What do you know about Russia?
— So far as I know, it is（ ）the United Kingdom.

Usually there is（ ）traffic in the streets on weekdays than on Sundays.

She spoke（ ）fast that I could not catch a word.

The reason why the girl decided to leave her boyfriend was that she didn't feel （ ） . 

Fresh fruit and vegetables form a (n) （ ） part of a healthy diet.