Самостоятельная работа по англиChoose the word with the same or similar

Самостоятельная работа по англи
Choose the word with the same or similar meaning.
to defend
a) to save b) to protect e) to help
2. threat
a) bullying b) argument c) warning
to be ashamed
a) to be unable b) to be shy c) to be surprised
research
a) an experiment b) an achievement c) an exploration
5. awful
a) terrible b) hard c) exciting
6. misty
a) stormy b) foggy c) rainy