用所给词的适当形式填空

1. How many______ (email ) do you get?

2. He is always the ______ (one ) one to get to school.

3. Thanks for giving me some ______ (information).

4. Sometimes my father ______ (buy) tickets on the Internet.

5. Do they ______ (go) online in the evening?

6. Tom and Linda are the old man's ______ (grandchild).

7. Jim             ______ (not have) breakfast at home.

8. Can you ______ (open) a new document?

9. The little boy ______ (switch) on the lights and goes into the room.

10. I want              ______ (close) the window.

房颤发生的心外原因首先考虑（）

A.甲状腺机能亢进症

B.多发性硬化症

C.肺栓塞

D.电解质紊乱

E.脑中风