An explosion blew the roof off an unstable reactor north of Tokyo, ____ fears of a disaster at a nuclear plant ____ in the massive earthquake that hit Japan.
| A．to raise; to be damaged | B．raising; damaging |
| C．raising; damaged | D．raised; being damaged |
According to what he complained about, something must have gone wrong with the computer, ______?
| A．mustn’t it | B．didn’t he | C．hasn’t he | D．didn’t it |
an important position in a big company, Richard has a good chance to improve himself.
| A．Offered | B．Offering | C．Having offered | D．To offer |
It worries the couple a lot ______ their only son is behaving worse and worse these days.
| A．how | B．why | C．that | D．what |
People generally think that fairness and justice are at the centre of ______ they are striving for.
| A．how | B．why | C．which | D．what |
______ once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country.
| A．Having been examined | B．Examined |
| C．Examining | D．Being examined |