Excuse me, Marcia, a reporter from Vanity Fair _____ all day. Could you speak to her now? [ ]

It bereally cold in November in Hefei though we usually have warm and sunny days.

I wonder why Susan looks worried today. —I’m not sure, but she _____a small accident driving here.

The shop manager always says to his assistants, “We can never be ____customers

Scientists from different countries are trying to_______ a good way to solve the energy problem.