人作主语还是物做主语 be focused on be concentrated on
人作主语还是物做主语 be focused on be concentrated on
是focus on还是be focused on
be focused on是focused on的被动语态么?
be focused on这里的focused是被动语态吗?
be focused on=be____ to
be on中的be随主语变化吗
There are two books on the table(用two books作主语改为to be句型)
who作主语时,be动词用is还是are?
concentrate on作状语时,是用concentrating on还是concentrated on ?
天数做主语be动词用is还是are?
Everything做主语,be动词是单数还是复数?
主语+be/lie/be situated/be located+in/on/to+of+地点名词 其中in/on/to