18- The correct answer is B.
Lola's father passed the hotel because, by the time they arrived, it was already dark and it was difficult for him to see.
19- The correct answer is D.
Lola and Emma had a very fun day at the beach: they sunbathed and played in the sea. But, at the same time, they could use the knowledge the had gained in school to help Lola's brothers.
20- The correct answer is C.
Jake and Matt's problem was that the tide was rising, and the water would destroy the sand castle they had build.
21- The correct answer is C.
Since they are at the beach, enjoying the sun and the water, it is probable that the story takes place during summer.
22- The correct answer is D.
Since the story tells that the drive itself was long, it is very likely that the family lived far away from the beach.