As it turned out to be a problem of no importance , we so much time looking into it .
| A．needn’t spend | B．didn’t have to spend |
| C．needn’t have spent | D．oughtn’t to spend |
Behind the coach ________ our team wearing blue suits.
| A．walk | B．have |
| C．is followed | D．appears |
Much ________ he has a good taste for China’s football matches，he can’t avoid being influenced by the side effects of the football gambling.
| A．that he claims | B．does he claim |
| C．is it that he claims | D．as he claims |
—Michael has changed beyond recognition.
—________！How did he manage to lose so much weight?
| A．So has he | B．Neither has he |
| C．So he has | D．Neither he has |
—Nothing wrong with it，________？
—No.Yours is a specially built model.Drive carefully，though.
| A．is there | B．does it |
| C．is it | D．has it |
________ she is not so cheerful ________ she used to be?
| A．How it is that；as | B．How is it that；as |
| C．Is it why；that | D．Why is it that；what |