(年山东日照市高三校际联合检测)l.We can never expect____bluer sky unless we create_____less polluted world.
“Have great changes taken place in your village?” “Yes, A new school was ______ in the village last year.”
If the new arrangement doesn’t _____, we’ll go back to the old one.
All the girls swam in the lake except two, who _____ halfway.
To our surprise the stranger _____ to be an old friend of my mother’s.
I think your health will soon ______ if you have a holiday on the seaside.