Professor Lee arrived in Paris in 2009, ______, some time later, he was employed by a famous computer company.
--- It took me two hours or so to walk here. --- But you ______ here in Billy’s car.
Jack climbed ______ to the top of the mountain though he is only a boy of ten.
I don’t think he can pay off all the debt when he gets paid, ______?
Last night, they succeeded ______ the fire ______.
The whole nation was ______ by the young generation’s excellent performances when the disaster happened.