1、Do you know about our town?
No, this is my first time I ( )here.
A.come B.have been (答案为B,为什么)
2、It was not long ( )I forgot it all.
A.then B.when C.after D.before(答案为D,为什么)
另外,请解释long before,before long 的区别及应该用在什么时态)
3、He came up to ask( )
A.waht my name was and what was the matter B.what my name was and what the matter was(答案选A,为什么)