. A little learning is not dangerous so long as you know ________.

I was told to be here at this time.—Sorry, you ___________. I forgot to tell you we’ve changed the plan.

It’s very kind _____ you to help me carry the boxes since it is difficult ______ a person like you to carry so heavy things. [ ]

Tom was _____ to finish making the model in an hour, but in fact, it took two hours.

What do you think of the film Switch? —Wonderful. But I am sorry I the beginning of it.