把下列句子转换成它的同义句（七年级英语）

I would like to join the Chinese Club。I _want____ __to___ join the Chinese Club。（would todo=want to do)2。How much is the pen?__what‘s___ the _price____ of the pen?(问多少钱,就是问这个价格是多少） 3。Betty spent an hour doing her homework。__it____ ___took___ Betty an hour __to___ ____do_ her homework。（sb spend sometime (in)dong sth=it takes sb sometime to do sth。)4。I had a good time at the party yesterday。I __enjoy___ __myself___ at the party yesterday。(have a good time=have a wonderful time=enjoy oneself)5。she can sing 。she can dance,too。she can __not___ _only____ sing ___but__ __also___dance。（两个都会,就是不但,而且。6。He work as a teacher when he was twenty years old。He work as a teacher ___at__ ___his__ ___age__ _of____ twenty。(当他20岁,不就是在20岁嘛）