Thenewdiscovery_______beofgreatservicetomankind.
A、isboundtoA
be bound to：注定要，一定会。本题中主语是 The new discovery ，所以谓语动词要用is。句意：这项新发现对于人类必定大有用处。
The furniture in her bedroom is quite different from ________ in the living room.
The central theatre has a seating ________ of more than 3, 000 people.
It _______ me three years to draw the beautiful horses.
I don ’ t need any help at the moment,but I _____your offer.
Ittookmeamonthtogetrid_______thecough.
