小题1:Whose attitude(态度) towards homework is positive(积极的) ?
A．William and Mary.
B．Chris and Sarah.
C．William and Sarah.
D．Mary and Chris.小题2: According to Mary's post, we know _______.
A．she likes homework a lot.
B．she thinks checking homework is worthless.
C．she hates students who don't do homework.
D．she hopes people can understand her hard work.小题3:Sarah is a_______.
A．parent
B．writer
C．student
D．teacher
