The health organization is ___________ its tenth anniversary this year.
| A．congratulating | B．being congratulated | C．celebrating | D．being celebrated |
The summer holidays are not far away _________ we can stay at home and read some good books.
| A．where | B．when | C．why | D．in that |
The classroom can ________ 50 students.
| A．sit | B．sat | C．seat | D．seats |
Football, ________ is an interesting game, is played all over the world.
| A．that | B．which | C．it | D．who |
He _______ two elder brothers and a younger sister.
| A．is having | B．has | C．have | D．was having |
The head office of the bank is in Beijing, but it has _________ all over the country.
| A．companies | B．branches | C．organizations | D．businesses |