It was announced that only when the fire was under control ________to return to their homes.[ ]

How nice you are! You always do what you can ____________ others.

She finds ____ hard to understand the spoken English.

I was asked to attend the meeting before eight.—Oh, you________. I’m sorry for not telling you that we have changed the plan.

John, when shall we meet again, on Thursday or Friday —__________day is OK. I’ll be free from Wednesday to the weekend.