圆盘耙上的加重箱用来调节耙深()。
参考答案:对
I play ____________ basketball at 4: 00. And I play ____________ piano at 7: 00.[ ]
A. the; the
B. /; the
C. the; /
I study really hard ________ I can make my dream come true.
A.to
B.in order to
C.so that
D.because