Have you ever been to Disneyland?–Yes. I ________ there last summer.

students took part in our school sports meeting last week.

_____________ will the students be back from Qufu?-In about half an hour，I think. [ ]

The offical said they a new law to protect the tourists the next year .

Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.