問題詳情:
--- Didn’t your brother ________ go to school by bike?
--- Yes, he did. But he ________ walking to school now.
A. used to; used to B. use to; used to
C. used to; is used to D. use to; is used to
【回答】
D
知識點:動詞和動詞短語
題型:選擇題