when he ___the door,he found his keys were nowhere.1 would open 2 was to open

问题描述:

when he ___the door,he found his keys were nowhere.1 would open 2 was to open
选择哪一个,及分别说出分别为什么对与错

2
翻译:

2 was to open the door --------正要开门时

would open--------将来的任何时间去开门