When the plane ____(arrive),some of the detectives ____(wait)inside the main building while others ____(wait)on the airfield.While two detectives ____(keep)guard at the door, two others ____(open)the parcel.
举一反三
- The detectives went into the building and waited ______ . A: in B: into C: inside D: for
- When the old man was telling the story, some children (不住地点头) while some others looked rather (迷惑).
- Some condemn him,while others praise him.
- Some students spend half an hour each day practicing listening, while others may only practice listening once a week, and still others may take like one to two hours. According to Lucky, which method is better?
- Some of them were well behaved, ______ were insulting. A: and they B: but they C: while others D: as others