_____ you come to Brunei, you would have to take off your shoes before going inside someone’s home.

Do you know that Mrs. Obama came to China with her mother and two daughters—Yes. And it is their ______ visit to China.

Whether the buildings in this area should be pulleddown has remained ________; people are still looking for other possiblesolutions.

How long can you __________ the book from the library

Did you visit the museum last week? —No, we _____, but we spent too much time shopping.