WE DECIDED NOT TO GO OUT FOR A MEAL_______ WE WERE SIMPLY TOO TIRED

1. - TRAC NGHIEM VE LIEN TU TIENG ANH
TRAC NGHIEM VE LIEN TU TIENG ANH

1.

We decided not to go out for a meal_______ we were simply too tired.

a. but

b. if

c. because

d. unless