_______ Anirban Maitra, a professor at Oxford University, Jack’s success would not have been possible.

How long have you been learning English—Four months.—________. Your English is so good.

People often use it ____ ships.

I was very angry with John—he just _____________when I spoke to him.

Jenny _____ have kept her words. Why did she change her mind?— I think she _____ give more explanations to us.[ ]