is surprising to us is that Tom can speak English fluently as though he were a native speakdr.

－How long has your grandpa ______－For about 3 months.

下列各句有语病的一句是（ ）

Could you tell me_________—More than a year.

Of the two brothers, Bill is ______ youngerone, and he is a quiet boy, ______ that most adults like very much.