Ladies and gentlemen, due to an unexpected accident, one of the singers whom all of you ____ to hear ____ tonight.
--- _____ the population of China? --- About 1.3 billion.
We look forward to the day when motorcars will be replaced by some less dangerous ____ of transport.
Mother _________father to give up smoking, but she failed.
— Hey, buddy, let’s go, remember the movie, Up(飞屋环游记)? — Sorry, I’m busy .How about ________ ?
______, most of the spelling mistakes can be avoided.