Tim is _____ to second-hand smoke and often coughs and has difficulty breathing when someone is smoking near him.
蒂姆對二手煙______,經常咳嗽,當有人在他附近吸煙時呼吸困難。
(來自google翻譯)
25. Tim is _____ to second-hand smoke an..-阿摩線上測驗