I also have some questions about this one too.<br/><br/>The large-headed, toothed, sperm whale has a large, square with a cavity<br/><br/> a.to holding sperm oil<br/><br/> b.held sperm oil<br/><br/> c.that holds sperm oil<br/><br/> d.to hold a sperm oil<br/><br/>I know that the correct answer is c but is it possible to say in b.'of held sperm oil'?<br/><br/>And in d to delete the 'a' and leave the rest, will it be correct?