The two trains go______ the tunnel ______ the same time. [ ]

You need to take notes at the meeting so make sure _________ a pen and some paper with you.

Thanks _______the Great Green Wall, the land produces more food.

Nice to see you．I you for a long time． —I in Beijing．I’ve just got back．

How are you going to the train station to meet your aunt?—I’m going there ________ my car.[ ]