1. 1. The couple used a cheap plastic pool and made small ______ at the bottom.(细节理解)
A
B
C
D
2. 2. They put soil and grass seeds and ______ them.(细节理解)
A
B
C
D
3. 3. The cat eats and ______ there.(细节理解)
A
B
C
D
4. 4. The soil keeps the cat ______ even on hot days.(细节理解)
A
B
C
D