It might have saved me some trouble ______ the schedule.
| A．did I know | B．have I known |
| C．do I know | D．had I known |
相关试题
China has got a good ______for fighting against the flu with its careful and smooth organization.
| A．reputation | B．influence | C．impression | D．knowledge |
Many children，______ parents are away working in big cities，are taken good care of in the village.
| A．their | B．whose | C．of them | D．with whom |
Many children，______ parents are away working in big cities，are taken good care of in the village.
| A．their | B．whose | C．of them | D．with whom |
Some people who don't like to talk much are not necessarily shy；theyjust be quiet people.
| A． | must | B． | may  |
C． | should | D． | would |
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