It is impossible to cooperate with a person ________ methods are completely opposed to your own.
It is only ______ you understand what your parents do to you ______ you can improve your relationship with your parents.
---When did you get to know each other ? ----It was in 2008___ we spent summer vocation together.
Many parents have called head teachers to know ______ their children are getting along well with everything in the school.
The US Space Agency sent up a space probe to hit the moon to see ______.
You can never imagine what great trouble I have had ______the patient who receive a serious wound.