Tom had no choice but the classroom with his classmates.A. to cleanB. cleanC. cleaningD.

问题补充：

Tom had no choice but the classroom with his classmates.

A. to clean

B. clean

C. cleaning

D. cleans

答案：

(答案→)A. to clean

B. clean

C. cleaning

D. cleans

解析：考查短语：have no choice but to do 别无选择做某事，句意：汤姆别无选择除了和他的同学们清扫教室。所以选A。