问题
选择题
—_______ Sunday morning, they are going to get up early .
—That’s good , but I’m going to stay in bed _________ the morning .
A．On , on
B．In, in
C．In , on
D．On, in
答案
答案：D
考介词，在"星期天的早晨"、"在星期天"，都应该用on,例on Monday/Sunday;在早晨 就用 in，例in the morning/afternoon/evening .
