单词拼写Fresh air and exercise (有助于) to good health.
The origins of the (宇宙) are still a mystery.
The government has (阐明) its position on equal pay for women.
Her gentleness has given me a deep （印象）.
She demanded that she be kept (通知）of developments.
Most of the factories under (建设)have been designed by the Chinese designers.
I don’t mind (学到)that skill if it is useful.
Researchers use the terms east and west very （粗略地）.
When he came to life, he found himself （包围）by some small people.
We gave our classroom a ______ (彻底) cleaning before the National Day.