ASMO Asian English Olympiad 2022 — Level 1 — Grade 1–2 — School Category Câu hỏi 24

ASMO English · ASMO Asian English Olympiad 2022 — Level 1 — Grade 1–2 — School Category

Câu hỏi 24

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

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