It’sagoodhabittowashyourhands
问题详情:
It’s a good habit to wash your hands ________ you have meals.
A. unless B. while C. when D. before
【回答】
D
知识点:连词
题型:选择题
问题详情:
It’s a good habit to wash your hands ________ you have meals.
A. unless B. while C. when D. before
【回答】
D
知识点:连词
题型:选择题