

cho mình hỏi tại sao câu này lại chọn waiting ạ
Two students waiting at a bus stop were kidnapped yesterday
Nhờ luôn các bạn giải thích câu này
There aren't many other books which discuss this problem well ( discussed)
--> In few other books is this problem discussed so well
Thanks
Two students waiting at a bus stop were kidnapped yesterday
Nhờ luôn các bạn giải thích câu này
There aren't many other books which discuss this problem well ( discussed)
--> In few other books is this problem discussed so well
Thanks