________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that

I don’t want to read all these old newspapers, please tell me where the __ ones are

From mum’s love, patience and understanding, I have learned what a huge responsibility _____ is to raise a child. [ ]

Whenever I go past the office, I find him________ on the computer.

Johnson said that he had a headache and wouldn’t come to the discussion.—____________. He always uses that excuse.