Open the brackets
1 Be quiet.He(think).
2 I (have) a party tomorrow, you (come)?
3 yesterday we (prepare) for exam all day long
4 when Dan arrived, we (discuss ) the new plan for an hour already
5 Alex looks sad. He must (hear) some bad news
6 Anna is an old friend of mine. I (know) her nearly all my life
7 We (work )without a break since 9o’clock in the morning. I am sure everyone (get) tried
8. I didn’t want to go to Voronezh because I (be) there before
9 they promised they (send) an .email when they arrived
10 Clare was sitting on her unmade bed (stare ) into space

1) He thinks.2) will have; are you coming3) we prepared4) we were discussing5) he must hear6) I have been knowing her7) have worked; got8) I was9) would send10)stared