They have already the telephone in their new home. A: parceled B: spun C: installed D: etained

Whenthe O2 concentrationislow,asintheperipheraltissues, H+ isboundbyhemoglobinand O2 is_________. A: eleased B: etained C: ound D: split

8. His poor health ________ him from going to work daily. A: hinde B: hindering C: hindered D: etained