Tommy, you should be reading your Maths right now.— I know I ________.

have been worried about the possible danger of driving on a railway line.— Do not be afraid; God will ________ us.[ ]

When the family moved to Canada, the children _______ very quickly to the new environments.

It doesn’t matter if they want to come to your party, ________?[ ]

_____ did it take to build the Beijing National Stadium– For more than four years.