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 meeting _____ next week will be of great importance.
CharlesSmith,______wasmyformerteacher,retiredlastyear.
Ittookmeamonthtogetrid_______thecough.
Students should_____their own interests as well as do their schoolwork.
The sad condition of women working as house servants around the world received much media_____early this year.
