____,can I borrow your ruler?______,my ruler is at home.
—Are you sure you can do well in this mid-term exam, Lucy? —______.I’ve got everything ready.
_____useful book it is!
______ leaves the room last should turn off the lights.
—At present, one of the best ways to study is working in groups. —More chances ________ to students to learn from each other.
—It’s everyone’s duty to join the Clean Your Plate Campaign. —Sure. We should try to _______all the food that we’ve ordered.