这是定语从句,可还原为this hovercraft is the one that made its first public flight in 1959.
hovercraft是先行词,前面加了this这个不定冠词,就必须用the one修饰,ONE后面引导词不能省略,一定要用that(这是要背出来的,定理);
如果this改成the,就选A
这么清楚的解释,要加分啊
这是定语从句,可还原为this hovercraft is the one that made its first public flight in 1959.
hovercraft是先行词,前面加了this这个不定冠词,就必须用the one修饰,ONE后面引导词不能省略,一定要用that(这是要背出来的,定理);
如果this改成the,就选A
这么清楚的解释,要加分啊