“ Although ,” the boy said , “ _______ over and over , the maths problem remained confusing to me ” . 

 —Have you got any particular plans for the coming holiday?—Yes._______, I’m going to visit some homes for the old in the city.

Only if enough evidence is discovered _______ in the existence of the monster.

      and we’ll finish the work ahead of time.

 —Did you visit the museum last week ?—No, we ___, but we spent too much time shopping.