ASMO Asian English Olympiad 2022 — Level 5 — Grade 10–11 — School Category Câu hỏi 4

ASMO English · ASMO Asian English Olympiad 2022 — Level 5 — Grade 10–11 — School Category

Câu hỏi 4

My little brother jumps in joy _______ mom comes back from work.

1. why
2. when
3. which
4. whose