--Why don’t you read this book?--It’s not necessary to read this book .There isn’t useful in it .
I usually get up early ______ the morning. A. in B. on C. at
Daming runs ______ of the three. A. fast B. faster C. the fastest
There is a______ on the desk. A. cups B. book C. rulers
Mike ______ Betty are our friends. A. but B. or C. and
---Would you like to go out for dinner with me? --______,but I have to finish my homework first.