TO PREPARE HIS ... WORKS , HE SPENT HIS WHILE DAYS IN HIS LIBRARY.A...

Lớp 8 Tiếng Anh BỘ ĐỀ THI HỌC SINH GIỎI MÔN TIẾNG ANH LỚP 8 THAN KHẢO

2- To prepare his ... works , he spent his while days in his library.a. science b. scientific c. scientist d. sciences