5. A busy computer keeps careful track of ________.
(A) metals costing of a million molars
(B)the millions of dollar worthing metals
(C)the millions of dollar worth of metals
(D)the million’s worth metals

答案：登入後查看
統計： A(72), B(72), C(170), D(36), E(0) #56077

詳解 (共 4 筆)

#167382
worth   [noncount]  : an amount of something that has a specified value, that lasts for a specified length of time, etc.
(+ of)
e.g. He bought 40 dollars\' worth of gas. [=an amount of gas that costs 40 dollars]

wor·thy :  having enough good qualities to be considered important, useful, etc.
(usually + of)
e.g Your achievements are worthy of respect.
16
0
#44754

keep track of  記錄
6
0
#48306

值數百萬元的金屬
2
0
#1304426
dollars 
0
0