____, I could not memorize the text.
| A．However hard did I try | B．However hard I tried |
| C．However I tried hard | D．However I had tried hard |
In the office I never seem to have time until after 5:30 p.m.,____ many people have gone home.
| A．whose time | B．that | C．on which | D．by which time |
Great changes have taken place in that school. It is no longer ___ it was 20 years ago, ___ it was so poorly equipped.
| A．what, when | B．that, which | C．what, which | D．which, that |
He was educated at a local grammar school, ___ he went on to Cambridge.
| A．from which | B．after that | C．after which | D．from this |
She ___ for the professor who was ill.
| A．substituted | B．changed | C．shifted | D．replaced |
Throughout the year over two million people are expected to directly ___ Japan 2005,a series of festivals and performances taking place around the country.
| A．visit | B．participate in | C．involve | D．come to |