ASMO Asian English Olympiad 2022 — Level 3 — Grade 5–6 — School Category Câu hỏi 9

ASMO English · ASMO Asian English Olympiad 2022 — Level 3 — Grade 5–6 — School Category

Câu hỏi 9

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

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