It's important for the figures __________ regularly.
| A．to be updated |
| B．to have been updated |
| C．to update |
| D．to have updated |
____has been said before, it is not easy to learn a foreign language.
| A．As | B．It | C．What | D．As it |
Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.
| A．to have founded | B．having founded | C．founding | D．to found |
Was it in this very room ____ he made up his mind ____ he should break away from his family?
| A．that; which | B．which; that | C．which; which | D．that; that |
Later they discovered, ____ was news to him, that Pamela was the headmaster’s daughter.
| A．that | B．which | C．what | D．who |
I shall always ____ your friendship greatly for friendship is more important than money.
| A．value | B．pay high respect | C．respect | D．store |