Only when _______ 30 years old ______ to learn English.
#82625
A
was he; did he begin
B
he was; he began
C
he was; did he begin
D
was he; he began
推荐题目
______________should be paid to our study,and only in this way ________make progress.
#81961
A
Heart;we can
B
Mind;can we
C
Attention;can we
D
Notice;we can