Don’t be too ________ about things you are not supposed to know.
Mr. Wang has two sons, ___ looks like him.
--May I go and play with Dick this afternoon, Mum?—No, you can’t go out ___ work is being done.
He suggested __ lies to her.
--How long __each other before they ____ married?—For about a year.
--Is ___ here? –No, Bob and Tim have asked for leave.