做非谓语成分的,如果用A的话应该是一句话:The wooden doors will be replaced by glass doors in order to let...
而如果是用逗号隔开,只能选ing 或ed,如果是主动:the wooden door let...就是ing, 如果是被动,the wooden door is let...就选+ed
这句话里是主动,所以选A.
英语语法在高中是个坎啊,我当年也花了好久呢...
做非谓语成分的,如果用A的话应该是一句话:The wooden doors will be replaced by glass doors in order to let...
而如果是用逗号隔开,只能选ing 或ed,如果是主动:the wooden door let...就是ing, 如果是被动,the wooden door is let...就选+ed
这句话里是主动,所以选A.
英语语法在高中是个坎啊,我当年也花了好久呢...