I should apologize to you for failing to visit you last week, but I've been very busy_____ the past few months.
--I’m sorry, I am too busy to help you, but my brother can.I’ve told him to.---______.
Mike pretended ___ Chinese when I came into the classroom.
We thought Tom wouldn't pass the exam, but to ___, he passed.
As she ___ the newspaper. Granny ___ asleep.
I don't really work here; I ___ until the new secretary arrives.