We had to ______ our visit to the Bird Nest because we didn’t have enough time to see them before we left Beijing.

At present, computer knowledge has become ___________ requirement as the ability to read and write.

In our hometown, about 1,500 meters east of my house,_______ an old temple_______ back to the 17th century．

I don’t want to _______ his invitation to dinner.

The English language ____ the grammar and vocabulary that people from many different countries and cultures brought to Britain.