Minna No Nihongo Lesson 7 Fukushuu B Answers Page 64 Extra Quality [top] -

わたしは 母に 手紙を（ 書きます / 送ります ）。

When receiving or borrowing (借ります) something, the source of the item is marked by either に or から (from). Both are grammatically perfect here. Exercise 2: Vocabulary & Cross-Language Translation but book expects full sentence)

Understanding the temporal aspect of actions is a core component of Lesson 7. This section tests your ability to use and まだ (mada - not yet) with correct verb tenses. Question & Answer Breakdown 3.1 Question: もう 昼ご飯を 食べましたか。 but book expects full sentence)

7時半に 起きます。 (or simply 7時半です in casual speech, but book expects full sentence) but book expects full sentence)