We've worked out a method __________ our production can be greatly raised.
| A．with that | B．what |
| C．of which | D．with which |
A study shows that people _____ get medical advice from the Web actually get worse.
| A．whom | B．who | C．which | D．whose |
Neither Join nor I ______able to persuade Richard’s grandfather to attend the wedding.
| A．am | B．are | C． is | D．are to be |
My dictionary has disappeared. Who ________ have taken it?
| A．should | B．must | C．could | D．would |
I looked under ______ bed and found _____ book I lost last week.
| A．the; the | B．a; the | C．the; a | D．/; / |
--- How long are you staying?
--- I don’t know. _____.
| A．That’s OK | B．Never mind | C．It doesn’t matter. | D．I t depends |