He usually gets up ___________six o’clock __________ Sundays.A. at; on B. on; at C. at; at
It is difficult ____ me ____ English well. But I’ll study harder.
I think Kate is better at playing basketball because she is __ than Jenny.
____ travel all over China during the summer holiday?
It is a good way to ____ English in the morning every day.
____ Yellow River is ____ second longest river in ____ China.