Yes, depending on context.
It is indeed possible to repeat a grade twice. You will repeat the same grade until you improve.
In polite Japanese: 'Anata WA watashi no eiyuu desu'.In casual Japanese: 'Kimi WA watashi no eiyuu nanda'.'Watashi WA' from the 1st and 'Kimi WA' from the 2nd sentence are pronouns and in direct speech are assumed and thus dropped. Instead of 'watashi no' in the 2nd sentence you can insert the [speaker of the sentence's name + no]. Imagine 'Alice' (in Japanese = Arisu) is saying this sentence:'(Kimi WA) Arisu no eiyuu nanda.'
An example of using the word repeat in a sentence is " Can you repeat that question one more time? "
No
Yes, saying "repeat twice" is correct in the context of giving a specific instruction to do something twice in a sequence. It is a clear and concise way to communicate the desired action.
'Watashi WA ookami ga daisuki desu" is your sentence in polite Japanese, however 'watashi WA' is omitted when spkeaing directly as in Japanese, it is assumed and considered known that the subject of a sentence is the speaker.
With that romanization it won't mean anything as a sentence. Watashi WA : I... Fukushu : sidekick, assistant Gozen : (in the) morning, a.m.
The word 'just' used twice in a sentence: Twice I left him a message and twice he ignored me. The term 'just twice' used in a sentence: I've only been here just twice before.
repeat re-do duplicate
"Watashi wa Isuru desu" is Japanese and translates to "I am Isuru." "Watashi" means "I" or "me," "wa" is a particle indicating the subject of the sentence, and "desu" is a copula verb used for emphasis or to indicate politeness.
May you please repeat that? I didn't hear you.
If you forgot the directions, I'll repeat them for you.