备考跟踪训练17
一、单项选择。
1．—Did you mend the radio yourself?
—No，I__C__．Because I don't know how to do it.
A．mended it B．get mended it
C．got it mended D．will mend it
2．Children should have at least __D__a night.
A．eight hours sleep B．eight hour's sleep
C．eighthourssleep D．eight hours' sleep
