They are planting trees.(改为一般疑问句)_____ _____ ______ trees?
问题描述:
They are planting trees.(改为一般疑问句)_____ _____ ______ trees?
答
Are they planting trees?
They are planting trees.(改为一般疑问句)_____ _____ ______ trees?
Are they planting trees?