Your bike needs_____.You ‘d better do i right now.
B
need+tobedone或need+doing都表示被动的动作。类似的动词还有want，require等。他们都是后面跟动名词的主动式或不定式的被动式。
“Itwasverycoldtesterday.”
“_____.”
Copernicusmaintainedthattheearth_____roundthesun.
Thereisn‘tmuchmilk_____isleftinthebottle.
Icanspeak_____German.
He‘sworkinghard_____.
