The Chinese ...spaghetti dishes for a long time before Marco Polo brought it back to Italy. A.have been making B.have made C.had been making D.make

The Chinese ... spaghetti dishes for a long time before Marco Polo brought it back to Italy.

A. have been making

B. have made

C. had been making

D. make

Cấu trúc: S + had been + V-ing + before + S + V-ed.

The Chinese ... spaghetti dishes for a long time before Marco Polo brought it back to Italy.

A. have been making.

B. have made.

C. had been making.    (S + had been + V-ing + before + S + V-ed)

D. make.

Tạm dịch: Người Trung Quốc đã được thực hiện món mì spaghetti trong một thời gian dài trước khi Marco Polo mang nó trở lại Ý.

                                 (Chúc bạn học tốt)