Jim,you'd better not too much time on your mobile phone.( )
A.costB.spendC.takeD.pay
She has _________ books than you.( )
many
much
more
most
This math problem isn't so difficult that I can work it out ________.( )
easily
usefully
loudly
quietly
John is _______ American student.( )
a
an
the
/
Please ____ the dog for me while I'm away.( )
look
look after
look up
look out
Nick didn't have dinner ________ be finished doing homework.( )
if
when
until
after