1.My brother went to England when he was 16 years old.
My brother went to England ＿at ＿the ＿age ＿of 16.
2.These tomatoes weigh 3 kilos.
The weight of these tomatoes is 3 kilos.
at the age of
the weight of is
1.at the age of
2.the weight of, is
1. My brother went to England （at the age of） 16.
2.（The weight of） these tomatoes is 3 kilos.
at the age of
the weigh of is
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