One day， _____，Newton saw an apple fall from a tree.
| A．to sum up | B．what’s more | C．it is said | D．in addition |
—I’m sorry I forgot to post the letter for you.
—___________.I’ll post it myself,then.
| A．That’s OK | B．Don’t worry |
| C．Take it easy | D．It’s too bad |
—You didn’t get hurt at all in the traffic accident?
—___________.I was a lucky dog.
| A．No problem | B．I don’t think so |
| C．I’m afraid not | D．Good heavens no |
—It’s cloudy outside.Please take an umbrella.
—___________.
| A．Yes,take it easy | B．Well,it just depends |
| C．OK,just in case | D．All right,you’re welcome |
—Helen,I really want to apologize to you.
—___________?
| A．For | B．Really | C．Are you sure | D．When |
—How about you saying that?
—___________.I didn’t meant to hurt you.
| A．Excuse me | B．I won’t regret |
| C．That’s all right | D．I’m awfully sorry |