) My uncle ( visit ) us this weekend. 2) I ( listen ) to music with my friends.

3) We ( study ) for the exam. So, we ( answer )all the questions.

4) “ you ( finish ) your homework?”

“No, I .”

5) I ( wait ) for the school bus but it ( not-come ).

6) Karen ( ask ) for help to finish her homework.

7) you ( invite ) them to your party last week.

8) Yesterday night, somebody ( knock ) at the door. But I ( not-open ) it.

9) The students ( walk ) down the street with their teachers.

10) Something strange ( happen ) last night.

11) Tom ( check ) his answers.

12) The postman ( deliver ) the letters.