单词拼写（共8小题；每小题0.5分，满分4分）
根据下列句子及所给单词的首字母或中文，写出各单词的正确形式（每空限填一词）。
Somebody who trains a person or team in sport is a c_________.
For the Japanese festival Obon, people should go to clean graves and light incense in m__________ of their ancestors.
As is known to all, there is no f ________ on earth that does not end in parting.
I think it is important to have a b__________ between study and social life, so I am going to join a few clubs.
She said she didn’t like it, but p__________ I thought it was very good.
Unexpected difficulties a__________ in the course of their experiment.
To be honest, a lot of people attach great i___________ to becoming rich and famous.
I’d a _______ it if you could lend me a hand.