Has Yang Liping returned from Yunnan yet I’d liketo meet her.— Sorry. She ____ back here only for last weekend.

It has been that some government leaders _____ their authority and position to get illegal profits for themselves that resulted in the opposition in Thailand..

_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately

nt to the“Bird’s Nest”last month, didn’t you——Yes. That was the second time I ________ to Beijing National Stadium.

I will come to your lecture at 10:00 amtomorrow— I’m sorryBy then my lecture ______ and I ______ my guests in my office