. —Learning a language isn’t easy. Ittakes time.—I agree. ________. There is no shortcut.

He _______ foreigners in his cafe before, so he didn’t know how to serve the American family

She seemed _____ the book before, but she said she had never. [ ]

Now________ tents and medicine are needed in the quake-stricken area.[ ]

31．The man stopped his bicycle beside the car______it had a broken chain