1 . People think of Asian mothers as scary and ________ (要求严格的), but my mother was nothing like that. (根据汉语提示单词拼写)

2 . We will make sure our home is as ________ (安全的) as possible from now on. (根据汉语提示单词拼写)

3 . Well, that isn’t as ________(让人受启发的)as we’d hoped. (根据汉语提示单词拼写)

4 . It's no use reasoning with him now because he is as s ______ as a mule.