题目内容
201. Tom _____ into the house when no one .
A.slipped; was noticing | B.had slipped; noticed |
C.slipped; had noticed | D.was slipping; noticed |
A
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I saw Tom ______ into the classroom without ______.
A.slide; found |
B.sliding; find |
C.to slide; being found |
D.sliding; being found |
201. Tom _____ into the house when no one .
A.slipped; was noticing |
B.had slipped; noticed |
C.slipped; had noticed |
D.was slipping; noticed |