من درس : Unit 4: Science and Technology


Which of the following has a mistake?


The event might be tomorrow, but I haven’t checked the invitation, so I’m not sure.
The event might be formal, but I haven’t checked the invitation, so I’m not sure.
The event might be at 3 pm, but I haven’t checked the invitation, so I’m not sure.
The event might be, but I haven’t checked the invitation, so I’m not sure.
The event might be before 3 pm, but I haven’t checked the invitation, so I’m not sure.