若生产同样的一双皮鞋,甲厂花费2小时,乙厂花费3小时,丙厂花费4小时,三双鞋在同一市场上出售,哪一双鞋的价值量大?
— It is understandable for him to make such mistakes. — You are right, ______ that he is only a new hand.
The opening ceremony of the 11th National Games, ______ in Jinan, Shandong Province from Oct.15-28 was highly praised.
After retirement, learning a musical instrument may be harder than ______ when you were a kid.
We cannot figure out ______ quite a number of students were infected with the flu.
I ______ of your trying to earn some money, but please don’t ignore your studies.