Have we met each other before? I’m afraid your name ________ me.

I’m sorry to have ______ you with too many questions on such an occasion.

It ______ to me that I might try this way to deal with this problem. 

(2011·浙江卷)I’ve been writing this report________for the last two weeks，but it has to be handed in tomorrow.

Your efforts to develop good habits will ______ later, and it is well worth working hard to do so.