it was…by……是什么意思?

it was…by……是什么意思? By whom was it discovered是什么意思? it was then as well在句尾是什么意思?求教… It was terrible是什么意思 It was worth it 是什么意思? It was terrible interesting是什么意思? it was lovely ,thanks是什么意思 it+was+great+fun是什么意思 as it is/was是什么意思 It was raining hard 是什么意思 It was bought by my father是否可以说It was being bought by my fat 是I wonder why it was that … 还是I wonder it was why