完形填空 (61)
Bob: In a book I was reading, some men had to 1 a desert. There was nothing 2 sand they could see. It was so large 3 it seemed to them that it had almost no 4 .
Tom: It 5 be very hot.
Bob: That’s right. 6 hot in a desert. But they rested 7 the day and traveled at night. .
