—I can’t find my notebook, mom. _______ is it? —Peter, it’s under the chair.
-I'm sorry I _______ my homework at home. -Don't forget _______ it to school tomorrow, please.
-Could I have a look at your iPad? -_______. I am playing a game now.
The snow made them_______ cold, so they wanted to make a fire_______ warm.
You look so tired. Why not_______ a rest?
-You mustn't swim here. Look at the sign. It_______ "No swimming". -Oh, I_______ notice it. Thanks for telling me.