1) Where is David? He ______ (is) at school. Classes begin at 8 and he's never late.
2) I'm absolutely sure! They ________ (arrived) yesterday. Tom showed me his train ticket.
3) Students _______ (have got) sick and tired of grammar. I know it's kind of boring.
4) Alice ________ (is) looking for a job because she finished college last year.
5) She ________ (is coming) this evening, but she also had some work to do.
6) I don't believe you - it _______ (is not) true.
7) She _________ (will come) soon. I have just phoned her.
8) This dress _______ (costs) more than $50.
9) We ________ (may be going) to Spain this year. We haven't decided yet.
10) It ________ (is raining). Take your umbrella.