My parents live in a small village. They
题型:选择题
问题:
My parents live in a small village. They always keep candles in the house __________ there is a power cut.
A.if
B.unless
C.in case
D.so that
My parents live in a small village. They always keep candles in the house __________ there is a power cut.
A.if
B.unless
C.in case
D.so that