Li Pin is the ______ man I want to see.
Nowadays some protective parents want to their kids from every kind of danger, real or imagined.
to sunlight for too much time will do harm to one’s skin.
They appeared me, so I had to explain to them.
If China’s space technology has achieved breakthrough in this field, it really is amazing wonder.
Though he is in his late sixties, the well-known biologist begins each day ____ a sense of adventure and a sense of curiosity.