I hope you will have fun during your visit to Paris.

If we let this situation go as it is，our environment will______a great destruction.

Mr. Lin gave us some _____ how to learnEnglish well last week.

How do the shops make money if they sell at such low prices? — Manufacturers, it seems, are willing to bring down prices _______ big volume purchases[ ]

What made her so happy?—_____ her son passed the driving test. [ ]