The mother didn’t know _____to blame for the broken glass as it happened while she was out.
The idea puzzled me so much that I stopped for a few seconds to try to _______.
Three days after Mrs White’s _______ necklace was found, she was _____ it.
He will stop showing off, if no notice _________of him.
– Can we get the computer before Wednesday? – _____. If it is 30 kilometers, we can make it, but if farther away, it will be on Thursday.
Li Ming is said ______ the experiment in the lab, but I can’t find him there.