2 Complete the sentences with suitable modal verbs. Sometimes there's more than one possible answer 1 They're speaking Spanish, so they ........ be from Argentina, I suppose. 2 She ........ love cats - she's got 20. 3 You ........ want more - you've already eaten two whole pizzas! 4 I'm not sure, but I think that man ........ need our help. I don't think he can swim. 5 You've been working all day. You ........ feel really tired. 6 He's a bit older than John, but he ......... know him. I think they went to the same school. 7 Tim ......... be happy. He studied really hard, but he still failed the test. 8 It's the world's oldest mystery. You ........ know the answer.