—How clean the room is! —Yes,I am sure that someone _______ it.
---- How much did your bike _______? ---- I ________400 yuan for it.
Remember not to speak ________ when we are in the reading room.
Listen! They ________ about the earthquake in Japan. Let’s join them.
Most of English teachers in middle schools are ________ .
---Would you like ________ apples? --- Yes, please.