1 find it very challenging. It requires a lot of concentration and determination.

20/50

1 find it very challenging. It requires a lot of concentration and determination

I find it very challenging, for it requires a lot of concentration and determination.

I find it very challenging, so it requires a lot of concentration and determination.

I find it very challenging, yet it requires a lot of concentration and determination.

I find it very challenging, though it requires a lot of concentration and determination.

Giải thích

Câu đề bài: Tôi thấy nó rất khó khăn. Nó đòi hỏi rất nhiều sự tập trung và quyết tâm.

For + mệnh đề = since, because: bởi vì;

So + mệnh đề: nên;

Yet + mệnh đề: mặc dầu vậy;

Though = although: mặc dù.

ĐÁP ÁN A