As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.

You are more likely to ____ what you want if you know how to make necessary _____ in a new environment.

Such animals like dinosaurs died out because they couldn’t _____ to the change of the climate.

It is a tradition for the Chinese to ______ about the bush, which sometimes makes foreigners puzzle or misunderstand what you are saying. 

 I can ____ the house being at sixes and sevens, but I hate it if it's not clean.