问题详情:
You had better remain _____ until the plane has come to a complete stop. A. to seat B. to be seated C. seating D. seated
【回答】
D
知识点:非谓语动词
题型:选择题
问题详情:
You had better remain _____ until the plane has come to a complete stop. A. to seat B. to be seated C. seating D. seated
【回答】
D
知识点:非谓语动词
题型:选择题