1. 你必須等會兒打開它。
     You must ________ ________ ________ it later.
2. 不要聊了，馬上上課了。
     ________ ________, please. The class begins.
3. 你收到過禮物嗎？
    Have you ________ ________ ________?
4. 快點，不然遲到了。
    ________ ________ ________ ________, or you will be late.
5. 在新年第一天，你不能打碎東西。
    You mustn't ________ ________ on the first day of New Year.

hurry to,  take out,  give somebody the message,  come with somebody, 
right now,  invite somebody to the party
1. Thank you very much for ___________. I enjoyed it very much.
2. When Mr Green comes back, I'll ____________.
3. Class begins. Will you please                      your books?
4. He got up late this morning, so he                      school.
5. I'll go to the cinema. Would you like ____________?
6. Don't worry, I'll ask my brother to help you                     .

1. They can see many l_____  on the tree in summer.
2. Class begins! Please be q______.
3. A koala usually r_____  ten hours every day.
4. Elephants like to eat g______. Rabbits like it, too.
5. The lion is very l______. He usually sleeps 20 hours every day.

A. talk  
B. talking
C. to talk  
D. to talking