1) Yves: It ____ for me. No one knows I'm here., could be, can't be, must be, may be, 2) Marta: Someone ____ because it's got your name and this address., must know, can't know, could forget, might not know, 3) Jim: The battery ____ flat. You know you often forget to charge it., mustn't be, can't be, might be, may be, 4) Grandpa: But it ____ flat, I charged it last night., must be, could be, might be, can't be, 5) Jim: Well, so you ____ a signal here., must get, can't lose, may not get, could have, 6) Grandpa: There ____ a signal. We're in the middle of a city!, must be, can't be, could be, might be, 7) Jim: They ____ the signal. These buildings are very tall., could ring, might block, can't stop, must charge, 8) Jim: It ____ OK there. Let's walk to the end of the street., couldn't be, must be, can't be, might be

Modal verbs practice

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