When visibility is reduced to about 5 miles, we say that visibility is（）.
When we praise the children, “you did a very good job!”, you can raise your thumb without saying “good”. This situation means that we can understood the meaning by __________.
When visibility is restricted（），we can say it is restricted visibility.
When we say that two objects have relative motion, we mean （）.
3.According to the passage, whom are we speaking to when we say Would you mind closing the door?
They say that English can be a very difficult language for one to learn in his later years.
We can say we’ll cross that bridge when we come to it if someone asks about ______.
What can we say when we are making an invitation?
what we mean when we say free writing?()
When we say “sentence variety”, what can we vary?
When we are accepting an invitation we can say:
When we say somebody only goes to the library once in a blue moon, we imply that he seldom goes to the library.
When we are going to ask about somebody’s health, what can we say?
When we say, ‘no sweat, no sweet’, we mean ‘no pain, no gain’.
When we are giving sb suggestions we can say:
When we are refusing or declining an invitation you’d better say___ ?
_______ When we learn to communicate, we learn not only language but also various ways of communication.
When we are about to leave the room, we can say:____.
It goes______saying that it is not an easy thing to learn a foreign language.
When we say that we can change the second word in the sentence "The girl is waiting outside" with another word or phrase, we are talking about the______inside the sentence.
When we say stockholders of a firm can vote with their feet, we mean stockholders______.
When we are sad, we want another person to say（).
When we praise the children, 'you did a very good job! ' you can raise your thumb without saying 'good'. This suitation means that we can understood the meaning by__________.
When we work in a foreign country , it wi11 benefit us immediately if we can speak its language.（）
