Question

1851 1 People are not as careful as they must be and drop their litter in the streets. People are not as careful as they [[must]] be and drop their litter in the streets. should Use must (or have to ) when, for example, there is a law or rule and you are not free to choose or decide for yourself: 'Candidates must answer all the questions in Part A and two questions in Part B.'Use should (or ought to ) when, for example, someone advises you to do something but you are free to choose or decide for yourself: 'At the end of the examination, you should check your answers.'

Accepted Answer

must ✗ People are not as careful as they should be and drop their litter in the streets. People are not as careful as they [[should]] be and drop their litter in the streets. should | must

Idx	1851
Keyword	must
Sub Entry Number	1
Type of Sentence	✗
Error Sentence	People are not as careful as they must be and drop their litter in the streets.
Correct Sentence	People are not as careful as they should be and drop their litter in the streets.
Cloze Error Sentence	People are not as careful as they [[must]] be and drop their litter in the streets.
Cloze Sentence	People are not as careful as they [[should]] be and drop their litter in the streets.
Cloze Answer	should
Choices	should \| must
Explanation	Use must (or have to ) when, for example, there is a law or rule and you are not free to choose or decide for yourself: 'Candidates must answer all the questions in Part A and two questions in Part B.' Use should (or ought to ) when, for example, someone advises you to do something but you are free to choose or decide for yourself: 'At the end of the examination, you should check your answers.'

People Careful Drop Litter Streets Free Choose Decide