．—What do you think made hi m so excited? —_________a scholarship to Harvard, I suppose.

I can’t stand ________ with Jane in the same office. She just refuses ________ talking while she works.

 The April Fools' tradition is said ________ in the sixteenth century.

_________ that he had fallen behind,he tried to work harder.

He hurried to the station，only ________ that the train had left.