问题
They live_____ the _____ floor.
A:on, nine;;;
B:in, ninth;;
C:on, ninth;;
D:on, nineth;
B:in, ninth;;
C:on, ninth;;
D:on, nineth;
正确答案是：
同类题型
“I still haven’t thanked Aunt Lucy for her present.” “It’s time you _____.”
____ visitors came to the beach for a holiday last summer.
Our house is on the top of the hill, and in winter the winds ________ be pretty cold.[ ]
Do you want to keep goldfish — No, they are ____ difficult ____ take care of.