In 1778,  Joseph Banks was elected ______ president of the Royal Society , ______ position he held for 42 years．

A．the; the                  B．a; a                       C．不填；a                 D．a; 不填

Sometimes advertisements make _______ possible for companies to sell the customers ______ money cannot buy．

A．/; that                    B．it; what                  C．that; which             D．/; whose

This new method of mining for opals is very popular in Australia because it calls for ______ equipment than the ________ one．

A．less; elder               B．fewer; older            C．fewer; elder            D．less; older

--- Is Bob still working in Scrooge’s office?

---I’m afraid not．He is said ______ his position already as he has been fired．

A．to have left             B．to leave                  C．to have been left     D．to be left

We ______ in this modern school for many years, but we have never regretted our final decision to go to the western part of China to help the poor children there．

A．worked                  B．was working          C．have worked          D．had worked

If you want to get help from others, you should try to get your idea ______．

A．clearly                   B．crossed                  C．across                   D．understand

______ through the desert, they came out into the Salt Lake Valley, ______ looked beautiful．

A．Pass; which           B．Passed; that            C．To pass; in which   D．Passing; which

---Your job ______ open for your return ．

--- Thanks．

A．will be kept            B．will keep                C．had kept                D．had been kept

--- How are you managing to do your work with an assistant?

--- Well, I ______ somehow ．

A．get along         B．come on                 C．watch out              D．set off

In May l999, the Backstreet Boys, sold l, l33, 505 copies of their latest album in its first week in release, _________ it the most albums sold in a week, ever since Sound-Scan began recording sales figures．

A．to make                 B．making                   C．that makes             D．made