题文
Jack wasn't saying anything, but the teacher smiled at him __________ he had done something very clever.
| A.as if | B.in case |
| C.while | D.though |
推荐试卷
Jack wasn't saying anything, but the teacher smiled at him __________ he had done something very clever.
| A.as if | B.in case |
| C.while | D.though |
试题篮
()