Because these sales involve large ________ of money.
A: sum
B: suming
C: sums
D: sumed
A: sum
B: suming
C: sums
D: sumed
举一反三
- Large sums of money have already on advertising.
- A large sum of money must be spent on Lyubomirsky’s research because it needs to trace a lot of people ______.
- Large sums of money have alreadyon advertising. A: spent B: been spent C: spending D: spends
- Enormous sums of money have been spent on space exploration．（） A: Much B: Large C: Small D: Fixed
- Enormous sums of money have been spent on space exploration. A: Much B: Large C: Small D: Fixed