Only when class began _______that he hadleft his book at home.

下列各句加点的成语使用正确的一项是

I_______ to the see the film Alice inWonderland last night but for the fact that I was busy preparing for theEnglish exam

ave you seen my U-Disk–____________ you bought last Sunday I’m afraid I haven’t seen ________.

, the firstblack president in