Can one say:<br/><br/><span style="color:#ff0000;">a. Of the two of us, he is the better one.</span><br/><span style="color:#ff0000;">b. Of the two of us, he is the better.</span><br/><span style="color:#ff0000;">c. Of the two of us, he is the best.</span><br/><br/><span style="color:#ff0000;">d. Between the two of us, he is the better one.</span><br/><span style="color:#ff0000;">e. Between the two of us, he is the better.</span><br/><span style="color:#ff0000;">f. Between the two of us, he is the best.</span><br/><br/>Many thanks.