could you give me a hand in the following exam— ______ . Mom won’t allow me to do such crazy things.

Wasn’t it Dr. Wang who spoke to you justnow —-_______.

John may phone tonight,______I’ll have to wait at home[ ]

Whether we’ll hold the sports meet depends on the weather, _____?

We have hurried all the way to the airport – the flight was called off because of the foggy weather．