Hi! Wondering if I could just have some help!

Dan could not choose (between/among) the two video games.
Melissa played happily (between/among) the eight puppies.
This phone is different (to/from) that one.
I was very cross (with/at) you when you didn't call.
make sure you divide the chocolate bar (into/to) four equal pieces.
I really think you will benefit (of/from) a gym course.
My birthday coincides (with/at) yours.
Jack had to compete (against/with) boys who were older than him.
Are you prepared (for/to) a difficult journey.
Nicole will be discharged (from/to) hospital tomorrow.

If you could just give me a hand with these I'd be really grateful, as I've tried a couple of these English forum things on other sites but none have proved helpful. I'm hoping EnglishForward.com will prove capable.

Hi! Um I noticed that alot of people have replied to candy but no one is helping me:'-(
Please I really need the help!
between the two video games

among the eight puppies

from that one

cross at you when ..

into four equal pieces

benefit from

with yours

with boys

prepared for

discharged from

Maybe some are still in the festive moodEmotion: smile
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Thank-you sooooooooooooo much! I had most right except for the one with jack had to compete and the phone and i was very cross.
Thanks again!
Someone named Jack challenged you with some questions ?

\***"\, v. i. [imp. & p. p. Competed; p. pr. & vb. n. Competing.] [L. completere, competitum; com- + petere to seek. See Petition.] To contend emulously; to seek or strive for the same thing, position, or reward for which another is striving; to contend in rivalry, as for a prize or in business; as, tradesmen compete with one another.

See the end of the sentence ' compete with one another '.
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Stop me if you've heard this one, but isn't #3 correct either way depending on whether you are speaking American or British English? The British would use "to" I think. Americans would use "from".
In actual fact, the British would use "different from" in formal English, and "different from" and "different to" interchangably in spoken English. The Americans would say "different than" in all circumstances.

"Different from" is formally correct on both sides of the Atlantic, however.