There’s no way of knowing why one man makes an important discovery________another man,also intelligent,fails.
We’ve given her some advice, but I don’t know________ she’ll accept it.
— What do you want for breakfast, Mike? — I think I _______ some bread and milk.
______ ontopofthehill,youcangetagoodview ofthewholecity.
_______ he said in the wedding ceremony moved everyone present.
Arrive late once more _____ you will be fired.