(토플) Many people living on the North American frontier in the mid-1800's ------------------ the bowie knife.
1) were carried a weapon called
2) carried a weapon was called
3) were carried a weapon which called
4) carried a weapon called
(수능) Did you notice anyone ( ) in?
1) was coming
2) come
3) came
4) would come
(토플) Industrial diamonds (_______) hard materials. 1) are used to cut 2) are used to be cutting 3) used to be cut 4) are used to cutting
