Do you know _____

Nobody knows ________ to work yesterday．

A．why didn’t he go                                         B．why he didn’t go

C．why won’t he go                                         D．why he won’t go

---Didn’t he go home last Sunday?

---______. And he spent all his money playing games in a net bar. —That’s too bad.

1. A.
   Yes, he did.
2. B.
   No, he did.
3. C.
   Yes, he didn’t.
4. D.
   No, he didn’t.

Do you know _____

1. A.
   how can I get to the library?
2. B.
   why didn’t he go there?
3. C.
   what the teacher said?
4. D.
   who is she