www.yyxzylearnenglish.net is a website______ is helpful to English learners.

Her work changed the way _______ people think about chimps.

____________ team leader whocan really motivate the members to work harder

33The users of this new mobile phone can check e-mails _____ they happen to be

They use the same senses as we do and their feet and hands are similar toours,　　　chimpanzees still have opposable toes and can grasp things with their feet