Can one say<br/><span style="color:#ff0000;">a. The book was interesting enough to read to the end.<br/> b. The book was interesting enough to read it to the end.<br/><br/> c. The book was interesting enough to read all of it.<br/> d. The book was interesting enough for me to read all of it.</span><br/><br/><span style="color:#ff0000;"><span style="color:#ff0000;">e. The book was interesting enough to read it all.</span></span><br/><br/> ?<br/><br/> Many thanks.