Jawaban:

1. Mr. Jake refused to move house even if he was offered a more comfortable place.

or

Even if he was offered a more comfortable place, Mr. Jake refused to move house.

2. It was cold yesterday; In contrast, it is very hot today.

or

In contrast to yesterday, it is very hot today.

3. Ryan's leg was hurt; nevertheless he ran and won the race.

4. My brother is an unapproachable person, whereas I am the most amicable member in my family.

5. Smart students sometimes become easily frustrated and stop learning. Smart students often leam quickly. (on the other hand)​

Penjelasan:

Contrastive conjunction adalah kata sambung yang menghubungkan dua clause dalam kalimat di mana keduanya memiliki makna yang berlawanan satu sama lain.

even if (walaupun)

in contrast (berlawanan/berbeda sekali dengan itu.../ sebaliknya.....)

nevertheless (meskipun begitu....)

whereas (sementara itu...)

Semoga bermanfaat