— I hope there _______ less pressure on us today.— If so, we _______ enjoy a more pleasant life.
The number of the wild animals is getting smaller and smaller _______people’s activities.
The sentence structure of “The boy is crying.” is__________
________ time went by, we became best friends.
Look, it is ____________so _______________.
Many birds fly away because plants die and insects hide_____ coldness_______ winter.