The recipe said to use butter, but as we'd run out we had to _________ with margarine.

单项选择题Where this plan _________ is on the small amount of time it allows for possible delays.

单项选择题I let my children make their own decisions _________ they're older: I wouldn't presume to interfere.

单项选择题She is _________ a musician than her brother.

单项选择题Those two will never co-operate while there's such a basic _________ of interest between them.

单项选择题John and Steven stopped at the top of the hill to admire the _________ while Mary looked at the timetable.