Eye doctors recommend that a child’s first eye exam ________ at the age of six months old. (2013·浙江,8)
It is morning _____ we have four classes, not afternoon.
Mother told Jim to watch the milk until it boiled and then _________ off the gas.
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.