单项选择题
There are a number of（）on the desk.
A.dictionary<br> B.dictionarys<br> C.dictionaries
单项选择题 I’ve been waiting for him for （）hour and （） half.
单项选择题 I’m very （）my sister.
单项选择题 Tell Mr. Wang to go to Mr. Li’s office when you （）him.
