With the weather getting colder, visitors from Australia spent their _____ days in 　　　　Beijing.

My naughty niece ________ on the lawn ________ to me that she had ________ the purse on the table.

_______ the end of last term, we had learned 3,000 English words

We complained to the travel agency about the horrible service during our trip，but no one has________by now.

The money collected should be made good use _____ the people in Taiwan who suffered a lot in the earthquake[ ]