题目内容：

 

1.Only if you put the sun there did the movements of the other planets in the sky ______ ______ (说得清楚；讲得通).

2.However, the southern part of Ireland was unwilling and ______ ______ (分离出去) to form its own government.

3.England is the largest of the four countries, and for convenience it is  __________  roughly_________(被划分成)three zones.

4.Do you believe that robots will _____ ____ _________ ___(取代) human beings？.

5.A teacher must _____ __________ ________(对…严格) his students..