What does this idiom mean: 'to beam from ear to ear'?

[sailaja attili]

Test No. incompl/advan-32 "Letter Writing (4)", question 10

On the last day of our holiday the manager of the hotel greeted us ......... from ear to ear to inform us that our luggage had arrived at reception!
See you soon
Meggy and Tom.

(a) screaming
(b) beaming
(c) streaming
(d) strechting

Test No. incompl/advan-32 "Letter Writing (4)", answer 10

On the last day of our holiday the manager of the hotel greeted us beaming from ear to ear to inform us that our luggage had arrived at reception!
See you soon
Meggy and Tom.

Correct answer: (b) beaming

Your answer was: incorrect
On the last day of our holiday the manager of the hotel greeted us screaming from ear to ear to inform us that our luggage had arrived at reception!
See you soon
Meggy and Tom.
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hi,

what does it mean? "beaming" Was the manger greeted them? Is it is an expression? let me know this expression very clearly.

thank u.,

[Alan]

This means grinning/smiling. In other words he had a very wide smile.
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English as a Second Language
You can read my ESL story Cool Expressions