What impressed you most during your stay in Britain — I had the _____ of meeting the Queen when she visited our school.

下列各句中，没有语病的一句是

China is nolonger ___ a production base； it is also one of the most important consumermarkets.

Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.

Is Sandy your classmate— Yes. She sits between Tom and _____________.