1 . 明天上午十点我要去机场给一个朋友送行。

I________________at the airport at ten tomorrow morning.

2 . While AI enthusiasts promise us a bright future ____________________, these undoubted benefits also bring concerns and fears. (根据句意填空)

4 . Dad often stands on the platform to pick us up.
→ —Mom, is Dad coming to pick us up?
—Yes, I am sure he ____________ on the platform when we pull into the station. (用正确的时态改写句子)

5 . I met my fans in my office yesterday.
→ —The president will come to attend your lecture at 10: 00 tomorrow.
—I’m sorry, by then my lecture will have just ended and I _____________ my fans in my office. (用正确的时态改写句子)

6 . Tom _____________ (在会议上讲话) at 3 o’clock tomorrow afternoon because he is the chairman of the meeting. (根据汉语提示完成句子)

7 . I ___________________ (参加考试) at 2: 30 tomorrow afternoon, so I can’t go skating with you. (根据汉语提示完成句子)

9 . Hadn’t you better phone home? Your parents ______________ (想知道你在哪里)．(根据汉语提示完成句子)

10 . When you arrive there, we _______________ (在踢足球). You can join us. (根据汉语提示完成句子)