B. Complete the sentences. Use the correct forms of the words in parentheses.

1. _________ in the park when suddenly I ________ a noise nearby. A few teenages ___________ loud music. (sit hear, play)

2. The couple ______________ a love song when we ____________at the party. (sing, arrive)

3. Alice ___________ a beautful white áo dài when l ________ her at the performance. (wear, see)

4. I ________ a birthday cake for my mom when my sister ________________home. (make, come)

5. We suddenly ________________ that we ____________________  in the wrong direction. (realize, drive)

6. I  _____ an old friend in town while l _______________ shopping. (meet, go)