问题
选择题
To keep the air clean, this hospital _____ all the patients ____ in and around it.
A．allows; smoking
B．forbids; to smoke
C．prevents; smoke
D．prohibits; smoke
答案
答案：B
题目分析：考查固定词组。固定词组forbid sb to do sth禁止某人做某事； ACD的搭配错误或者与句意不符的。句意：为了保持空气清洁，这家医院禁止病人在内外抽烟。故B正确。
点评：固定词组forbid sb to do sth禁止某人做某事；