His face is round.(用square改为选择疑问句) __ his face ___ ___ aquare?

问题描述:

His face is round.(用square改为选择疑问句) __ his face ___ ___ aquare?

Is his face round or square.
在round 和square之间做选择,因为谓语动词是is ,所以直接提前.有不懂在问.