Complete the sentences with the given words in their proper forms(用括号中所给单词的适当形式完成下列句子）
【小题1】The old tree is so tall that no one knows the age and the _________ of it. (high)
【小题2】I found a schoolbag on the playground, but didn't know who the _________ of it was.(own)
【小题3】The weather report says it will _________ rain tonight.(probable)
【小题4】If you want to be an accountant, you should always work very _________.(care)
【小题5】_________ exercise is needed in order to be healthy.(physics)
【小题6】Some people keep dogs as their pets because they think dogs are much _________ to people than cats. (friend)
【小题7】I was _________ to meet Frank in the street last night because we hadn't seen each other for a long time.(excite)
【小题8】I’ve _________ a photo of me. The one on the far left is me.(close)