—Did you enjoy your tour around Beijing， Mr Singh？ —Yes. But I hate 　　　　 when the tour guide held out his left hand to shake hands with me. 

 I hope there are enough glasses for each guest to have ______.

—I'm too busy preparing the exam. Could you do _______to help me?—Of course. I can do _______for you if you want me to.

--- Is your mother badly ill?---NO,              ,only a little cold 

–What did your parents think about your decision?–They always let me do _______ I think I should.