`26``.` Did you do your homework last night?

`27``.` Where did you go last weekend?

`28``.` Who did he meet yesterday?

`29``.` What did John and Peter eat last night?

`30``.` When did Ms.Sue give birth to her first baby?

`31``.` Why did she go home late last night?

`32``.` Were you and Lily in the same class last year?

`33``.` Were the students absent last Tuesday?

`34``.` Where did you buy those flowers?

`35``.` How did she become a famous singer?

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             Thì OKĐ :

- Dấu hiệu : last + night/weekend/Tuesday/ etc, yesterday, .....

- Công thức:

( + ) S+ V-ed + O + ...

( - ) S + didn't + V-inf + O + ...

( ? ) Did + S + V-inf + O + ...?