We should try our best to make ______ world that is safer, cleaner and healthier than ____ one we are living in now.
—It’s everyone’s duty to join the Clean Your Plate Campaign.—Sure. We should try to _______all the food that we’ve ordered.
—Which one of these do you want?—________. Either will be OK.
—Difficulties always go with me!—Cheer up! If God closes a door in front of you, there ______be a window opened for you.
—Everyone should learn to say “I love you” to their parents often.—I think so. _______in life is more important than family.
—Do you know who took the students to the old people’s home, Tony?—Well, Mr. Smith _______.