. The house caught ______ fire while the
题型:选择题
问题:
.
The house caught ______ fire while they were away. It must have been set ______ on fire by someone.
A.a; a
B.a; /
C./; a
D./;/
.
The house caught ______ fire while they were away. It must have been set ______ on fire by someone.
A.a; a
B.a; /
C./; a
D./;/