ess is a butterfly, which, when pursued, is always just beyond your grasp, but ________, if you will sit down quietly, may alight upon you.

Someone is knocking at the door, who _____ it be?It _____ be Danny. He’s in hospital for some time. [ ]

Shanghai is bigger thanin Jiangsu and it’s also a very beautiful city.

Who is the woman over there– She is Miss Fang. She is their English teacher. She teaches______English.

How’s this pink evening dress? I wear it to the party _______ shall I choose that white one?—They both look beautiful, but I think your blue dress is suitable.