帮忙看看这道题用was还是were（急~）they said the eighteenth and last lesson_______ quite easyA was B were是否要把the eighteenth and last lesson看成1件事情呢?或者有没什么根据之类的

帮忙看看这道题用was还是were（急~）they said the eighteenth and last lesson_______ quite easyA was B were是否要把the eighteenth and last lesson看成1件事情呢?或者有没什么根据之类的 be的过去式是was还是were还是been急 I + were还是was? They____fantastic.填were还是was? 第三人称用was还是were? 一道数学题帮忙看看,急,谢谢 帮忙看看这3题,求解.急! 帮忙看看,这作文怎么写,急, were是过去式,还是was是过去式 you后面是用was还是were? was/were后接doing还是did yes,i were 还是 was.为什么 是 i was 还是 i were yes,i were 还是 was.为什么 帮我看看这句英文写得对不对?A physical model combined with a mathematical model was(were) used for probing into this problem. 最主要是,这种情况该用was还是were? There were not anything in sight. were 还是was? why there was only 281 accidents.用was 还是were? students' performance ------- (record) 用was 还是were 说说students' performance ------- (record) 用was 还是were 说说