________ my teacher helping me, I couldeasily finish the work today.

____, are you Maria—No, I’m not. I’m Jane.

It was back home after the experiment.

Professor Lee failed many times but he ________found a good way to solve the problem

SEOUL – Samsung Electronics, the world’s largest smartphone maker, said Thursday that it has sold more than 10 million units of Galaxy S4, in ______ a month since its debut (首次亮相).