A. head teacher B. begin C. at the foot of D. definitely A. canteen B. what's wrong C. tennis D. Palace Museum A. amuse B. billion C. pet D. stop A. singer B. the Mid-Autumn Festival C. our D. hotel A. translation B. carelessness C. playground D. gunpowder A. help B. flour C. saw D. goldfish A. jumping rope B. watch films C. cool D. contrast A. summary B. lifeboat C. write D. computer A. art B. to go C. tight D. abject A. herself B. user-friendly C. Olympic D. play