2.In the sentence: "Some people already have one in their home, but in a few years from now, 3D won't be as expensive as they are today." What does the word "expensive" mean?

kind
unsual
costs a lot
inventions

3.Choose the correct answer to complete the dialogue:
A: I am hungry.
B:

No problem.
sounds great!
you have to sleep early
Don't worry, I will order food for you.
4.She is going to to London next summer.

travel
travels
travelled
travelling

5.Do as shown between brackets:
I think robots (work) in hospitals in the future.
(correct the verb with Future Will)Immersive Reader

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