赞题库-背景图

单项选择题

If the appliance is defective, write directly to the manufacturer ______ complain to your local consumer protection association.

A. then
B. or
C. but
D. though

<上一题目录下一题>

热门试题

单项选择题He is wearing sunglasses to protect his eyes ______ the strong sunlight.

A. of
B. off
C. from
D. away