Hi, Jack. What’s that on the desk?— Oh, it’s the new backpack my mom gave me for my birthday.

There is something wrong _____ my throat.[ ]

Whose sweater is this? —It looks like John’s. Oh, yes. It’s __________.

I called you yesterday afternoon, but you were not at home.–Sorry, I _________ some shopping with my mother then .

Linda, I called you this morning, but nobody answered the phone. —I’m sorry. I a picnic with my family then.