You’ve been working all day. You ________ be very tired.
举一反三
- You ________ be tired—you’ve only been working for an hour.
- I've been trying to _________ you all day.
- ---You look very tired. at all last night? ---No, not really. I’m tired out now.
- You ______ be tired, for you've only been working for an hour. A: must not B: won't C: can't D: may not
- You ______ be too tired—you’ve only been working for an hour. A: must not B: B．won’t C: can’t D: D．may not