It is reported that the United States uses ________ energy as the whole of Europe.
| A．as twice | B．twice much |
| C．twice much as | D．twice as much |
The old lady’s hand shook frequently.She explained to her doctor ______ this shaking had begun half a year before, and, ______ only because of this, she had been forced to give up her job.
| A．when;how |
| B．how;when |
| C．how;how |
| D．why;why |
_______ in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required |
| B．What requires |
| C．It is required |
| D．It requires |
Along with the letter was his promise _______ he would visit me this coming Christmas.
| A．which |
| B．that |
| C．what |
| D．whether |
The poor young man is ready to accept ______ help he can get.
| A．whichever |
| B．however |
| C．whatever |
| D．whenever |
Mary wrote an article on ______ the team had failed to win the game.
| A．why |
| B．what |
| C．who |
| D．that |