1．alternative adj. 供选择的；其他的 n. 可能的选择；选择对象
[教材原句] Can you think of the alternatives we would use today?
你能想到我们今天使用的替代品吗？
an alternative to ……的替代物(to是介词)
have the alternative of A or B
要么做A，要么做B；在A或B二者中选一个
have no alternative/choice/option but to do sth.
别无选择只好做某事
单句语法填空
①The Internet also provides us with a cheap alternative to ________(communicate) with others.
②In order to succeed, we have no alternative but ________(face) failure bravely and learn from it.
③We could take the train or ________(alternative) go by car.
④I have given the matter much thought, examining all the possible ________(alternative)．
⑤We have no alternative but ________(sell) our house to pay the debt.
⑥My grandmother didn't do anything but ________(keep) house and serve everybody.
[答案] ①communicating ②to face ③alternatively ④alternatives ⑤to sell ⑥keep
[思维发散] have no alternative but to do sth.＝have no choice but to do sth.＝do nothing but do...只能做某事；除……之外别无选择。
注意do nothing but do...中，but后跟不带to的不定式。
