At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.
He was overlooked when they ________ choosing a new manager, which came as a complete surprise to him.
----There is only three days lef,but we still have a pile of papers to deal with.---- Don’t worry. We have already______ two thirds of them after all
-----Could I speak to Mr Smith, please?----- ________. I’ll go and ask him to answer the call.
—What time would it be ______ for me to come round?— Any time will do as long as you are free
They'll have a beer together______,talking about their separate life, but not often.