Will you go home tomorrow evening?—No, I’m going to a lecture, or at least I am planning _____.

The sandstorm_ for several days，which left a terrible sight across the west.

I received his mother’s telephone call at eleven. _____ that he was badly hurt in an accident yesterday. [ ]

The designer asks some models to_______ his newly designed clothes to see if they are ——a party.

He could not __________ a right answer， so he felt very sad.