Question

________on weekends is very tiring.
a-have to work
b- having to work
c-having working
d-had worked
e-have working

Answer 1

Olá boa tarde!☺

A frase correta seria:

$Having\; working\; on\; weekends\; is\; very\; tiring$

Portanto a alternativa correta é a letra "C".

Answer 2

Olá

- Having working on weekends is very tiring.

Espero ter ajudado
Bons estudos!