Despite the fact that Lucy is a lovely girl, she _____ be extremely difficult to work with sometimes.
It’s impossible for all the people to get jobs because _______of them are not fit for them.
The black colour of your shoes doesn’t_______ the white colour of your suit.
Mr.Smith was much surprised to find the watch he had had _______was nowhere to be seen.
Only when class began _______that he had left his book at home.
The students in this college are all taking courses _______a degree.