The -ing form can be used in these patterns:
- When you talk about preferences: I like <u>swimming</u>; I hate <u>watching </u>TV. (Person + like /hate/ love + -ing)
- When you talk about an activity: <u>Studying </u>for exams is hard; <u>Walking</u> in the rain is nice.( -ing + verb)
- You can finfd the -ing functioning as an adjective: sleeping pills; walking stick; smoking room. (-ing +noun)
- You should use -ing after prepositions: I am interested <u>in</u> learning Chinese; I am keen <u>on</u> having pasta. ( preposition +-ing)
Answer: Michael's mom asked him to pick up a few things at the grocery for their taco dinner: beans,
cheese, and salsa. (Answer C)
Explanation:
More advanced robots, operating machines doing things for us, self driven cars, smart computers, advanced space system
I'd go with A or C. Definitely not B or D.
A.) Cause and effects!!!!!!!!!!!!!