Please ask if there are any errors in these sentences!

There are no errors. But it can be improved.

being a realistic person, he plans to achieve his goals.This way your sentences will flow more smoothly

There is no problem with the second one, but it would be more harmonious to change do to choose.

it's a fallacy to assume that wealth brings happiness.Because this sentence emphasizes the ignorance of this conjecture, and assume is more appropriate for ignorance than suppose.

he is realistic. he has goals and plans to achieve them.

Don't be the last of them

i’m in a dilemma whether to do math or english.

Puzzle followed by of

suppose should use assume

it's surprising to do sth.

find out + clause.

how much+ clause.

like+n.

people+ definite clause.

What surprised us was that when we tried to get to know them, we found that we were similar in many ways.

Dictionary explained. [Explanation]: Sleep: Fall asleep. When I dream, I pursue it. Described eagerly awaited.

From]: "Book of Poetry, Zhou Nan, Guan Ju": "My Fair Lady, I covet it." ”

Example]: All this is what Lu Xun has been fighting for all his life! Mao Dun "Connecting with Reality, Learning from Lu Xun".

synonyms]: Morning thoughts.

Grammar]: more formal; as a predicate, a definite; Described as having a strong desire.

Therefore, it seems that the dream of describing wishes is a little repetitive, but it is still far-fetched and can be used.

No problem. "Dreaming" modifies "wish" and increases the subjectivity and urgency of "wish".

Inappropriate. Revision: Xiao Ming won the championship of this speech contest, fulfilling his long-held wish.

Or: Xiao Ming won the championship of this speech contest, which is what he dreamed of.

If there is a problem, it belongs to the type of repetition and redundancy in the sick sentence.

"Dreaming" and "wish" had a repetition of meaning.

When "dreaming" is used as a predicate or definite, it describes having a strong desire, which is repeated with the following "desire". You can use other words instead, such as "for a long time."

No, it shouldn't be used as "dreamed". The word "dream" itself has a certain desire, which is self-contradictory. The word "for a long time" should be used.

I don't think it's appropriate Although you type "dream wish" on the Internet, many people say this on the Internet, but grammatically dream is suspected of being a repetition of a wish You can say: this is what he dreamed of, or directly say: he has always wished 、、、 fulfillment

Inappropriate use of "dreaming" refers to thinking about finding in your sleep, describing desperately hoping It is better to say it differently.

Dreams and wishes are repeated, and dreams are dreams of what you can dream of.

No, dreams already have the meaning of wishes. Semantic duplication.

Inappropriate because the dream of having a wish is repeated.