中国大学MOOC: The old man ____ his shoulder before entering the building, making sure nobody was following him.
举一反三
- The old man ____ his shoulder before entering the building, making sure nobody was following him. A: looked back B: looked around C: looked over D: looked after
- The elder gentleman ______ before entering the building, making sure nobody was following him.
- The elder gentleman his shoulder before entering the building, making sure nobody was following him. A: looked up B: looked down C: looked upon D: looked over
- The elder gentleman ___________ before entering the building, making sure nobody was following him. A: leave behind B: get away with C: help out D: looked over his shoulder
- 中国大学MOOC: The old man has two children but ______ of them lives with him.