Della，don't stay up late， you will feel sleepy the next day．（ ）
A．soB．orC．butD．and
It took me half _______ hour to finish my homework last night．（ ）
A．aB．anC．the
_____ visitors come to Shaoshan to celebrate Chairman Mao's birthday on December 26th every year．（ ）
A．Thousand ofB．Thousands of
C．Thousand
________ is from your home to school？
Five kilometers．（ ）
A．How longB．How farC．How soon
There ______ a sports meeting in our school next month．（ ）
A．will beB．will have
C．is going to have
I prefer friends _____ are different from me．（ ）
A．whichB．whoseC．who