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
I love places _____________ the people are very friendly.
My family______watching TV in the sitting room now．My family_______a big one．
Areyougoingtoseeafilmwithus? —Ifmymothcrgoes,.[ ]
Are these gloves ________, Betty?—No, they aren’t. My gloves are here.
Where is your father ? －He is at work . He always has lots of work __________ .