21. —I’m going to Betty’s birthday party. Bye-bye, Mom.
—_____, baby.
A. Best wishes B. Have fun C. Take care D. No problem
22. You can listen to music or play games on _____ mobile phone and this will make _____ journey less boring.
A. the; the B. 不填; 不填 C. 不填; the D. the; 不填