The girl arranged to have piano lessons at the training centre with her sister________she would stay for an hour

(2013·高考山东卷)It’s good to know ________ the dogs will be well cared for while we’re away.

It is most _____ that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution[ ]

______ was known to usall that Johnson had broken his promise _____ he would give each of us asmall gift.

How do you find the match between Spain and Switzerland?—It’s ！ Powerful Spain lost the game by 0∶1.