Tony gets up very late in the morning, ______ he is often late for school.
—It’s difficult to get to the other side of the river.—I think a bridge over the river.
Li Na is famous all the tennis fans in China know her.
More and more people have a low-C life and the air is getting much ___ than a few years ago.
— do you know so much about the UFO?—I usually get the information by surfing the Internet.
—Which of the two T-shirts will you take?—I’ll take . One is for my brother and the other is for myself.