—Your book, Tommy No, Morn, it's my friend's.
—Remember to return it to () name is on it.

单项选择题If Newton lived today, he would be surprise by what () in science and technology.

A. had discovered
B. had been discovered
C. has discovered
D. has been discovered

单项选择题Ellis Haizlip began his stage career in Washington D. C. , ______ supervised the Howard University Players during their summer season.

单项选择题Listen! His family must be quarrelling, ().

A. mustn't it
B. isn't it
C. aren't they
D. needn't they

单项选择题European football is played in 80 countries, ______ it the most popular sport in the world.

单项选择题—What do you think of the concert —I really enjoy it. I didnt expect it was () wonderful.

A. as
B. more
C. most
D. very