-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
| A．were; come about | B．did; come about |
| C．were; taken place | D．were; happened |
I think that it is your grandparents who for the spoiled child.
| A．are to blame |
| B．are going to blame |
| C．are to be blamed |
| D．should blame |
______he was late for the conference was he missed the train by one minute this morning.
| A．Why; because |
| B．That; why |
| C．That; because |
| D．Because; that |
It is assumed that the rumours on the Internet can easily______ a person's reputation.
| A．destroyed |
| B．hurt |
| C．damaged |
| D．ruined |
Every exercise ______ on a different grammar point. You should go over the main points of the grammar rules related before you work each of them out.
| A．focuses |
| B．puts |
| C．depends |
| D．counts |
The teacher______have thought Johnson was worth it or she wouldn't have wasted time on him,l suppose.
| A．should |
| B．can |
| C．would |
| D．must |