Elige la opción correcta.
1 I ____ go now or I'll be late.
2 Lucy ____ have been asleep because she didn't answer the phone.
3 He's a genious! He ____ write when he was three.
4 The man I was speaking to ____ be American.
5 Tell me your problem. I ____ be able to help you.
6 I suggested she ____ a new car, hers is about to break down.
7 The boss is very busy, I ____ disturb him now.
8 I was feeling sick yesterday. I ____ at all.
9 'Where are you going on holiday?' 'I ____ go to Ireland.'
10 ____ I come in, please?
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