问题
选择题
My favorite animals are koalas. They usually sleep _____ the day, but _____ night they get up. [ ]
A. during; in
B. during; at
C. at; in
D. at; /
答案
答案:B
My favorite animals are koalas. They usually sleep _____ the day, but _____ night they get up. [ ]
A. during; in
B. during; at
C. at; in
D. at; /
答案:B