题目内容
19、He had already walked three or four miles ________ he saw a cart, half-full of hay, by the side of the road.
A. when B. while C. until D. unless
试题答案
19、B
相关题目
He had already walked three or four miles ________ he saw a cart, half-full of hay, by the side of the road．
- A.while
- B.when
- C.the moment
- D.unless
He had already walked three or four miles ________ he saw a cart, half-full of hay, by the side of the road.
A. when B. while C. until D. unless
查看习题详情和答案>>He had already walked three or four miles he saw a cart, half full of hay, by the side of the road.
A．while B．when C．the moment D．unless
查看习题详情和答案>>He had already walked three or four miles ________ he saw a cart, half-full of grass, by the side of the road．
[ ]
A．when
B．while
C．until
D．unless