With so many things mixed up it’s hard to _______ what’s that.

—Call me at 9:00. I can’t afford to miss such a conference. —Don’t worry. I’ll surely_____ you.

Could you please tell me ________— Yes. There’s one on the Center Street.

He turns deaf ear to his parents, ________ many times they have pointed out his weaknesses.[ ]

It was because of his absence _____ the meeting had to be put off. [ ]