It is about half an hour since he came here.
It is about half an hour since he came here.
The bus came after I for about half an hour
The bus came sfter I --------- for about half an hour
After _____what seemed half an hour,he came at last.
He was here().A.half an hour before B.half hour ago C.half a
It is half an hour is walk from here to the bus station
they were here about half an hour ago
it is half an hour's walk from here to the bus station Don't
( )it is from our school to xidan mall?About half an hour's
He spends about half an hour p_______ speaking English with
He kept ---(wait) for her for about half an hour.
it's about half an hour walk from here 这句话中walk 为什么要是不及物动词呢?