The beautiful sunset ourattention，and westopped to watch it

The speech by the mayor of Shanghai is strongly impressed ______ my memory.[ ]

I wonder＿＿＿ like to be an astronaut(宇航员).—I don’t know, but I imagine it’s exciting.

Did Tom come back late last night—No. It was not yet 8 o’clock ____ he arrived home.

My father has worked as a surgeon since he graduated __________.– So he is _____________ now