It is certain that he will _____ his business to his son when he gets old.

did you remember the days _____ we worked on the farm ? —— Certainly . Especially the hard times _______ we spent together .

The approach ______ the problem is contrary ______ our expectation

With the electricity _____, all the machine stopped.

Where were you both at this time last night—Tom was writing an e-mail Iwas watching TV at home.