_____, the boy couldn’t get into his dorm.
A. Since the key lost
B. The key having lost
C. Lost the key
D. Having lost the key
第1题
The little girl is quite _______ in drawing and she draws well.
A. interested
B. good
C. fond
D. tired
第4题
The teacher asked us to ______our lessons after class.
A. go on
B. go over
C. go away
D. go back
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