s the model plane look like — Well, the wings of the plane are ______ of itsbody

下列句子没有语病的一项是（ ）

If we can___our present difficulties,then everything should be all right.

er tickets for the 2016 Riode Janeiro OlympicGames, just call 00982012. It _______ be simpler.

Hello, this is Jack. Mary I speak to Tom — Sorry, he isn’t in at the moment. If he back, I’II ask him to call you back.