题目

 --- ________ I remind you of is to return the book to our English teacher.       ---I will give it to him _________  I see him.        A. That; immediately  B. What; the moment  C. What; while       D. Whether; once 答案：BShall we go bike__________ this afternoon? A. riding　　　　　　　　B. rides　　　　　　　　 C. ride　　　　　　 D. to ride?