Jawaban:

1.

Aunt Nindita buys me both nice dress and good shoes.

Aunt Nindita buys me not only nice dress but also good shoes.

2.

Caffeine is found both in coffee and in tea.

Caffeine is found not only in coffee but also in tea.

3.

Both Amara and Sandra join the dance extracurricular.

Not only Amara but also Sandra joins the dance extracurricular

4.

The motorcyle is both economical and comfortable to be driven

The motorcyle is not only economical but also comfortable to be driven

5.

We can give the children both candy and ice cream. ​

We can give the children not only candy but also ice cream. ​

Penjelasan:

Kedua frasa "both ___ and ____" dan "Not only _____ but also ____"

dipakai untu menyatakan bahwa ada dua yang hal digabungkan dalam satu kalimat di mana keduanya sejajar dan sejenis, entah keduanya adalah sama-sama  subjek, sama-sama objek, kesama-sama adverb, sama-sama adjective dll,

Perhatikan bahwa jika memakai "Both ____ and ____" maka dianggap sebagai jamak, jadi verbnya harus disesuaikan.

Sedangkan "Not only ______ but also ____" dianggap singular

Jelasnya lihat soal 3

Semoga bermanfaat