Xiao Shenyang says that _________ job is to make people happy.

People will also take vacations _____ other planets. [ ]

Please tell me ______ you want to come to my party?—I’d love to come.Thanks!

I was told to meet Mr. Green at the airport. But I don’t knowhe will arrive.

You don’t want to visit any other mountain if you have seen wu yue, but you won’t wish to see even wu yue_____________ returning from Mount Huangshan.[ ]