﹣Do you think I could borrow your pencil?
﹣________.( )
A.Yes,you may borrowB.Yes,you could
C.Yes,go onD.Yes,help yourself
May I do my homework now,dad?
﹣Yes,you____( )
must
may
can
This is____friend,Sam.( )
I
my
me
﹣﹣May I come in?____,please.( )
Hold on
Sit down
Come in
Boys and girls,look____the blackboard,please.( )
at
out
in
I will never forget the people help me a lot in my life.( )
whose
when
which
who