eariy men found fire very useful.very useful是宾补,可变成eariy men found fire was very useful吗?搞不懂宾补这结构,总觉得缺点什么.如果像我那么变,有语法错误吗?好好给我讲讲,最好有例句.

eariy men found fire very useful.very useful是宾补,可变成eariy men found fire was very useful吗?搞不懂宾补这结构,总觉得缺点什么.如果像我那么变,有语法错误吗?好好给我讲讲,最好有例句. After the big fire_________,they found two men died in the fire 为什么不选put out eariy是什么意思 the officer ordered his men to fire at the enemy Why did early men use fire?（保持句意不变） __ did early men use fire __? Is't too eariy Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so 还有几题：Early men found fire very＿＿＿millions of years ago.A.use B.useful C.useless D.usesOnly a quarter of the Earth is＿＿＿.A.oceans B.land C.forests D.seas eariy的意思加音标 an eariy 是固定短语 eariy(反义词1000玩伙计 Fire fire fire fire fire fire the officer ordered the men to fire at the enemy中at the是什么结构? Unfortunately the men couldn't manage to put the fire out.这句话语法正确吗?