With a loop, you can indicate the starting value for the loop control variable, the test condition that controls loop entry, and the expression that alters the loop control variable, all in one convenient place. do for do-while while The do-while loop is a(n) loop. Intest pretest posttest forest A while loop is a(n) loop. fortest intest pretest posttest Which loop is most convenient to use if the loop body must always execute at least once? a do loop a while loop an if loop a for loop The loop control variable ii cheeked at the bottom of which kind of loop? a for loop a do loop awhile loop all of the above