Charlie has been nowherefor three daysWhat has happened to him?—Didn’t you know he had gone to Hong Kong?

tle world hunger, the great scientist once traveled to many places where populations _______ faster than crop production at that time.

as the professor’s lecture—Impressive Thank you so much for giving me a lift during the rushhours If not, I ________ the lecture today

_______a beautiful car! I’ve never seen it before．

The child was told to ______ for being rude to his uncle.