When he ______ the door, he found his keys were nowhere.[ ]
If there is anyone out there still doubts that America is a place where all things are possible,tonight is your answer.
_______ of fire, ring the alarm bell.
It was ___ the quality of life in the future ___ Itook this training course, not just to make more money.
— Mary,are you sure your aunt_____back from America?— Yes. My mother_____ me. I am going to see her now.[ ]