—You seemed to be very surprised at the news that he won.—Not exactly.It was his courage________his skill________really struck me.
Children should be instructed to put things _____ they belong in their early childhood.
______ label to each of the trees, with detailed introduction of their features, and visitors will know more about them and how to protect them.
With ________ word “PM 2.5” repeatedly appearing in ________ media reports, the public can’t help wondering what it really means.
We have just heard a warning on the radio _____________ a typhoon may be on its way.
I will spend half of my holiday practicing English and _____________ half learning drawing.