简答题  It is necessary to take medicine on time.

简答题 My roommate, Tom, is also a graduate student like me.

简答题 My grandpa is used to getting up early.

简答题  It' s never too late to learn.

简答题 Our library is so big, so is theirs.

简答题  I' ve never heard such good music in a computer game. 

简答题 Not all the machines here are produced oy our factory.

简答题 No matter what happens, I' lI be your best friend.