Choose the correct alternatives to complete the sentences. 1 As I square your house, I square v someone in your v back garden. 21 square my homework when I square the news. 3 The witness square the events while the detective square notes. 4 They square lunch in a café and square to the office. 5 They square when the teacher square into the room.

1. As I **was walking** around your house, I **saw** someone in your back garden.<br />2. I **was doing** my homework when I **heard** the news.<br />3. The witness **described** the events while the detective **took** notes.<br />4. They **had** lunch in a café and **went** back to the office.<br />5. They **were talking** when the teacher **walked** into the room.