He wished them “Good morning” in a(n._________ hesitating undertone as if he were doubtful how his greetings would be received.
A.persistent B.imperative C.awkward D.optimistic正确答案C
He wished them “Good morning” in a(n._________ hesitating undertone as if he were doubtful how his greetings would be received.
A.persistent B.imperative C.awkward D.optimistic正确答案C