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| A．Here’s a call for you. |
| B．I often go fishing. |
| C．I’m playing the guitar and singing. |
| D．Can I speak to him? |
| E．What time? |
| F．This is Jack. |
| G．Who’s that? |
I. What about playing ball games this Saturday?
J. What’s your brother doing?
Tom: Hello.
Jack: Hello. 1. __________ What are you doing, Tom?
Tom: 2. __________
Jack: That’s great! 3. __________
Tom: He’s writing an email on the computer in his study.
Jack: OK. 4. __________
Tom: Hold on, please. Tim! Tim! 5. __________
Tim: I’m coming. 6. __________
Tom: Your friend, Jack.
Tim: 7. __________
Tom: You’re welcome.
Tim: Hello, Jack?
Jack: Hello! What do you usually do on the weekend?
Tim: 8. __________
Jack: 9. __________
Tim: Good idea! 10. __________
Jack: At about 8:30.
Tim: OK. Goodbye.
Jack: Bye!
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
