If you want to see the chairman of the department, you’d better make an _______ with his secretary first.
I think only when he attends college _______________ more independent of his parents.
Using his hybrid rice, farmers are producing harvests ________________ before.
The situation is getting worse. We must __________ the trouble _____________.
___________ was no doubt __________ someone had broken into the store the day before.
You __________ have told him my comment on him. Now, he is very angry with me.