Lucy knew nothing about it ________ her sister told her.
As we all know, many Chinese words have come into English,__________ typhoon, tofu and kung fu.
Let us suppose that you are in __________ position of __________ parent.Would you allow your child to do such a thing?
-How could you __________ my sister so easily in the crowd?-Because she stood out in her red dress.
To prevent this from happening again, John Snow suggested that the source of all the water supplies __________.
__________ after a whole day's work that he could hardly stand it.