Choose the correct words to complete the confused student's thoughts as he arrives at an empty classroom.
The classroom is completely dark and empty. I must be in the wrong room.
Wait, the schedule says Room 302, which is this room. The class might be on a field trip today, but I don't remember the professor mentioning it.
It is only 9:05 AM, and this is a two-hour lecture, so the lesson can't be over already!
The classroom is completely dark and empty. I must be in the wrong room.
The empty, dark room provides strong evidence for the student to conclude he is in the wrong place. We use must for strong positive deductions.
Wait, the schedule says Room 302, which is this room. The class might be on a field trip today, but I don't remember the professor mentioning it.
The student is guessing a possible reason but isn't sure. We use might to express possibility.
It is only 9:05 AM, and this is a two-hour lecture, so the lesson can't be over already!
Since the class just started 5 minutes ago, it is logically impossible for it to be finished. We use can't for strong negative deductions.