she has _ key 中间要不要加a?

she has _ key 中间要不要加a? the state has gain ( ) control of 中间要不要加 the ? Is that a set of key,key要不要加s? playing game中间要不要加the? as .as中间要不要加比较级? wear glasses中间要不要加the wear skirt中间要不要加the? she saw element要不要加s become 后有名词时要不要 加冠词?就比如说是She has become a teacher,还是She has become teacher 她身材真棒是说:she is in well-build 还是she is well-build?中间那噶in要不要加 英语喂鸡feed chicken中间要不要加the Natural of elegant 中间要不要加这个of? she does like English like要不要加s了 Daes she like --------(play) computer gameplay要不要加ing she always的 worry要不要加s she also like like要不要加s she is best .best 前面要不要加the? she has never been to china这句话要不要加has?这句话是一般过去时,还是过去完成时?如果是过去完成时,她从没去过中国,为什么是过去完成时?完成什么了?