s______ u__
Stand up.
s___ d_____
Sit down.
R____ y___ h___.
Raise your hand.
P__ y___ h___ d___.
Put your hand down.
T___ o__ y___ b___.
Take out your book.
O___ y___ b___.
Open your book.
C____ y___ b___.
Close your book.
P___ y___ b__.
Pack your bag.
L___ a_ m_.
Look at me.
B_ q____.
Be quiet.
C___ t_ t__ f____.
Come to the front.
G_ t_ y___ s___.
Go to your seat.
