Question

mr ford has just arrived,but i didn't know he [ ]until yesterday

a will come b was coming c comes d had come.请详细

Answer 1

b was coming 是对的。
翻译：Ford先生刚到，但直到昨天我才知道他打算来。

【俊狼猎英】团队为您解答。

Answer 2

d had come 已经到达了