The answer is “かれ　は、　ちゅうごくじん　です。”, “Kare wa Chuugoku-jin desu.” As you may be aware, “じん(jin)” means “people”.

The answer is あなた　は、　かいしゃいん　です。 Anata wa kaisha-in desu You are an office worker.

The answer is かのじょ　は　カレン　です。 Kanojo wa Karen desu 1.「は(wa)」means “as for” or “regarding”. 2. 「です(desu)」is polite form. 3.「は」should be pronouced as “wa” when it is used as particle although it basically sounds “ha”.

The answer is “ありがとう(arigatoo)”. “ありがとう(arigatoo)” can be polite form by adding “ございます(gozaimasu)” at the end. The polite form is “ありがとう ございます(arigatoo-gozaimasu)”.

The answer is “おはよう(Ohayoo)”. The polite form of “おはよう(Ohayoo)” is “おはようございます(Ohayoo-gozaimasu)” while “こんにちは(Konnichiwa)” and “こんばんは(Konbanwa)” work both as casual form and as polite one. We can use “おはよう(Ohayoo)” to our friends and our family, but we should use “おはようございます(Ohayoo-gozaimasu)” to the elder people or in the business situation.   See you tomorrow!