____ is clear to us all, students should obey the school’s rules.

My parents showed some old pictures that brought back sweet memories.

It is the day October 1st, 1949 _____ thePeople’s Republic of China was founded _____ we’ll never forget.

Is it a wonder that _____ little cells canstore _____ much energy

What do you think of their marriage—________, if I were Kate, I would not marry him.