______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.
In 1492, Columbus and his crew arrived ______ was so-called the New World by the westerners.
--- Ken, ______, butyourTVisgoingtooloud. --- Oh, I’msorry. I’llturnitdownrightnow.
--- Who are you waiting for? --- ______ the man wounded in the left leg.
They became friends again that day. Until then, they ______ to each other for nearly two years.
There are emergency exits in both towers of the hotel, ______ on the other side opposite the elevators.