—I like your new shoes! —Thanks.I had to try on almost a dozen pairs ______ I decided to get them.
What did he say? I don’t know what________.
I told your friend how to get to the hotel, but perhaps I______have driven her here.
I’m sorry to have hurt you, but I didn’t do it________.
It is the first time that I_______to Beijing.
----Must I do well in all the subjects, Mum? ----Sure, baby! As an old saying goes, knowledge is _________.