1. ___ anything about the accident, he went to work as usual.
A Don’t know B not to know C not knowing D not to be knowing
选C
2. the next morning she found the man __in bed, dead.
A lying B lie C lay D laying
选A
3. he had his leg __in the match yesterday.
A to break B broken C break D breaking
选B
4. most of the people __ to the party were famous scientists.
A invited B to invite C being invited D inviting
选A
5. do you know the boy ___under the tree?
A lay B lain C laying D lying
选D