--It is said that Jack is very rich and is always changing his private cars. What is he?-- ________,I am not sure.
I like these English songs and they ________ many times on the radio.
—Did you watch the basketball match yesterday? —Yes,I did.You know,my brother ________ in the match.
—I'd like a pen which ________ well. —Will this one ________?
I like getting up very early in summer.The morning air is so good ________.
Professor Williams keeps telling his students that the future ________to the well-educated.