问题
When _______ you _______ to learn to ride your bike？ — I really can’t remember the time.
A:do; begin
B:did; begin
C:have; begun
D:had; begun
B:did; begin
C:have; begun
D:had; begun
正确答案是：
同类题型
What are Joe and Jeff doing? —–Joe is _______ a film and Jeff is ______.
He went to Shanghai ___ September 3, 1991 and came back ___ a cold morning last year. [ ]
______do you sleep every night? —Six to eight hours. [ ]
Has Kate gone to the museum?— Yes, not only she but also her mother ____ gone to the history museum.
Does anyone know _______ girl with a book in her hand over there?—I’m afraid no one knows.