——How much vinegar did you put in the soup? ——I’m sorry to say, ____. I forget.
When he came back, his wife was found _________.
Every minute should be made the most of ________ our lessons well.
Our English teacher recommended that we ________ an English dictionary.
I don’t think he is right, ________?
I shall never forget the day __________ Shen Zhou V was launched, _________ has a great effect on my life.