By the time next summer, you your studies

Cấu trúc: By the time + trạng ngữ chỉ thời gian tương lai / HTĐ , TLHT

Đáp án D

Dịch nghĩa: Trước mùa hè tới , bạn sẽ hoàn thành xong chương trình học

By the time next summer, you______ your studies