Pregunta
|
Respuesta correcta
|
His boss tells Tom that he ......... be tidier. :
|
ought to |
When customers want information, he....... be able to help them immediately. :
|
should |
Pregunta
|
Respuesta correcta
|
He.......keep them waiting :
|
must not |
Instead, he.....help them immediately. :
|
can |
..........you help me with my English exam? :
|
will |
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