问题
How long have you been studying at this school? — I have been studying here____.
A:since I was thirteen years old
B:when I was thirteen
C:at the age of thirteen
D:after I was thirteen
B:when I was thirteen
C:at the age of thirteen
D:after I was thirteen
正确答案是：
同类题型
What’s ______ favorite subject?—____favorite subject is Chinese.
________ can you finish this English examination?– In about one and a half hours.
I’m afraid I’ll be there _______ five o’clock. It’s a little far from here. [ ]
The small child was not old enough tohimself.
You praise your son. He works harder than before. —Thanks, I will.