to-ing and fro-ing
[ˌtu:ɪŋənˈfrəʊɪŋ] ( pl to-ings and fro-ings )noun
(uncountable noun) idas fpl y venidas
INGLESE
SPAGNOLO
SPAGNOLO
INGLESEComplétez la séquence avec la proposition qui convient.
The teacher said that he … explain the exercise tomorrow.