谷类提供的维生素有（）
A.抗坏血酸
B.硫胺素与尼克酸
C.维生素A
D.维生素D
E.维生素C
参考答案：B
—What do your parents often remind you _____?
—They often tell me to hold on _____ my dreams.[ ]
A. of; to
B. for; to
C. of; with
D. for; with
