---What do you think made Celia so happy?

---______ a prize in the recent competition．

---I’m thinking of losing weight these days．

---Oh, you ______ be out of your mind．You’re but 45 kilos．

---Mum, what should I prepare before I leave for the lecture?

---Well, get your notebook ready ________ you have something significant you need to put down.

---How did you get to know Joan?

---On the farm, I met me and ______ her.

---What is the child doing now?

---He used to write with a pencil, and now he is ______ with a pen.

---Do you know about the Road Traffic Safety Law?

---Yeah．It went into effect in May and traffic safety in our city ________ since．

---Why does Joan look so unhappy?

---She ________ at by her classmates．

---I hear Mary is looking for a new job．

---It doesn’t seem strange．She has _________ worked at any job for more than a few weeks．