Question

完成句子

When I told her the air would be _________(呼吸困难), she said it would be an interesting experience．(hard)

Answer 1

答案：
解析：

　　答案：hard to breathe

　　解析：考查主动表被动用法。当不定式前有形容词hard, easy等时，该不定式常用主动结构表示被动含义。