---My grandma likes rock music very much. ---_________.A I’m not sure. B What on earth is that? C Really? I don’t believe it. D I hope so.
Most students like the teachersunderstand them well.
—It’s difficult to get to the other side of the river. —I think a bridgeover 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.