They __________going to make a new house tomorrow.
—It’s necessary and important for the students at school to join the Clean Plate Campaign. It’s good for them to form good habits.—Sure. We should try to _______ all the food that we’ve ordered.
My parents want me to get further study to be ________ an engineer _______ a scientist, ________ I would like to be a famous surgeon doctor.
Most boys ______ guns to dolls while most girls _____ have dolls than guns.
─Do you know_____second-hand smoke? ─To protect our health and memory.
We all know that we’ll meet all kinds of difficulties in our lives in the future. We should learn to be ________ any challenge!