Life is full of expectations; it is impossible to ________ what will happen in the future.
There is something wrong with my computer. It needs _____.
What do you think of the reason _____ he gave at the meeting yesterday?
_____ is no doubt _____ Jennifer will come to see me this weekend as usual.
The reason ____he was late was ____he had taken a wrong bus.
Did John ____ the general cleaning yesterday afternoon?