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

2 . Don’t phone or text our manager between 13:00 and 15:00 tomorrow, because he _______ (attend) an important seminar then.(所给词的适当形式填空)

3 . —How can I find your assistant at the airport?
—Don’t worry. He ________ a board with your name on it at that time.

A．has been holding

B．will be holding

C．will be held

D．has held

4 . Mary can’t attend my birthday party tonight because she________ a meeting at that time.

A．will have

B．would have

C．has had

D．will be having

5 . Daniel ______ the meeting at 10:00 am tomorrow.

A．would be attending	B．would be attended
C．will be attending	D．will be attended

6 . Jane can’t attend the meeting at 3 o’clock this afternoon because she ________ a class at that time.

A．had

B．has

C．was having

D．will be having

7 . Henry will not be able to attend the meeting tonight because_______.

A．he must teach a class

B．he will be teaching a class

C．he teaches a class

D．he will have been teaching

8 . Take your umbrella. It ________ when you return.

A．will be raining	B．will be rained
C．rains	D．has been raining

9 . I am going on a dream vacation to Hawaii. While you are doing paperwork, I ________ on a sunny beach.

A．am lying

B．has been lying

C．will be lying

D．would be lying

10 . 智能厕所将持续追踪你的健康。
Smart toilets will be________ ________ ________ of your health as well.