问题

_____ weekdays, he often gets up _____ six o’clock. [ ]
A: On, at
B: At, on
C: On, in
D:At, at
B: At, on
C: On, in
D:At, at
正确答案是:
同类题型
They are going to learn to play______ guitar and play ______ basketball
How _____ will his family return?-In a week.[ ]
一Are you going to Guilin by plane?一It’s fast but expensive, so I’m not sure.I ________ take a train.
What’s that noise?—Oh, I forgot to tell you. The neighbors _______ for a party.