Choose the letter A, B, C or D the word that has the underlined part different from others

I.Choose the letter A, B, C or D the word that has the underlined part different from others.
Question 1:

A. flat B. apartment C. villa D. appliance

Question 2:

A. fridge B. condominium C. wifi D. helicopter

Question 3:

A. penthouse B. basement C. television D. energy

Question 4:

A. motor B. home C. solar D. iron

Question 5:

A. solar B. space C. apartment D. appliance

II.Choose the letter A, B, C or D to complete the sentences

Question 6: Robot will _________ our house for us in the future.

A. do B. clean C. surf D. watch

Question 7: A _________ TV is linked with Bluetooth, wifi, USB and flash memory.

A. informative B. talkative C. confident D. smart

Question 8: We might use __________ appliances in our future house.

A. automatic B. solar C. cable D. wireless

Question 9: We use _________ to preserve food and vegetables.

A. dishwashers B. cleaners C. fridges D. washing machines

Question 10: In the story, prince and princess often live in a ___________.

A. villa B. flat C. castle D. home