We are looking forward to English .A. learnB. learningC. learnsD. to learning .

问题补充：

We are looking forward to English .

A. learn

B. learning

C. learns

D. to learning .

答案：

A. learn

(答案→)B. learning

C. learns

D. to learning .

解析：考查短语：look forward to doing sth，表示期望做某事，to是介词，句意：我们期望学英语。故选B