--instructions--

Listen to the audio and answer the question below.

--questions--

--text--

What is Jessica communicating?

--answers--

Updating the software tools is optional.

--feedback--

Jessica uses must, which means it is required, not optional.

Updating the software tools is necessary.

The software tools should be deleted.

--feedback--

Jessica says to update them, not remove them.

The software tools are already updated.

--feedback--

Jessica is telling Mark to update them, which means they are not updated yet.

--video-solution--

2

--explanation--

Jessica says, you must update your software tools, meaning it is necessary.

Must expresses strong necessity or obligation. For example:

• You must wear a helmet when riding a bike. - Required for safety.

• Employees must complete training before starting work. - A rule that the employees are required to follow.

--scene--

{
  "setup": {
    "background": "company2-center.png",
    "characters": [
      {
        "character": "Jessica",
        "position": {
          "x": 50,
          "y": 15,
          "z": 1.2
        },
        "opacity": 0
      }
    ],
    "audio": {
      "filename": "B1_14-1.mp3",
      "startTime": 1,
      "startTimestamp": 9.58,
      "finishTimestamp": 12.72
    }
  },
  "commands": [
    {
      "character": "Jessica",
      "opacity": 1,
      "startTime": 0
    },
    {
      "character": "Jessica",
      "startTime": 1,
      "finishTime": 4.14,
      "dialogue": {
        "text": "First, you must update your software tools to the latest versions.",
        "align": "center"
      }
    },
    {
      "character": "Jessica",
      "opacity": 0,
      "startTime": 4.64
    }
  ]
}