Choose the right answer. It was hot and we decided to walk in the shade/shadow of the wall. The temperature was over 90C degrees in the shade/shadow. She felt as if every pair/couple of eyes in the room was on her. I just need...

Choose the right answer. It was hot and we decided to walk in the shade/shadow of the wall. The temperature was over 90C degrees in the shade/shadow. She felt as if every pair/couple of eyes in the room was on her. I just need to make a pair/couple of calls. In the morning, with a clean/clear head, she had solved the problem. Before hiring Sam as a chauffeur they made sure he had a clean/clear driving licence. Everybody stood in admiration watching the pack/school/pod of whales on the horizon. The excursion to the valley full of swarms/colonies/armies of butterflies costs a lot. If the bear growls/howls/hisses, it is the sound of warning. The crowd barked/roared/screamed in delight.