they all looked_____at the teacher when he told good news Asadly Bhappily Csad Dhappy
问题描述：
they all looked_____at the teacher when he told good news Asadly Bhappily Csad Dhappy
答
happily 副词修饰动词looked,如果后面没at the teacher,They all looked happy when the teacher told good news就说得通。
答
d
答
happily