I called you yesterday evening.But nobody answered.
Oh,sorry.Maybe I____in the bathroom at that time.( )
A.take a showerB.took a shower
C.was taking a shower
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