Research shows that though students benefit from having parents involved at school, _____ happens at home matters much more.
A．which B．what C．that D．whether
________the letters there are answers written by people who are supposed to know how to solve such problems.
A．Along with B．Apart from C．According to D．Regardless of
Children are excited about the approach of Christmas, _____ may bring great happiness to them.
A．it B．which C．what D．that
_____ a piece of cheese cake my mum prepared---You won’t be disappointed!
A．Trying B．Tried C．To try D．Try
Oh, boy, why are you just playing games all day? Can't you find something ______ doing at all?
A．practical B．valuab1e C．worth D．positive
If you love someone, why ______ you chain him to your side, control his emotion, and even make him center on you?
A．must B．dare C．need D．will
