—Which of these two books will you take?—I’ll take ______, in case the journey is boring.
The train moved slowly from the station,but________speed as it reached the open country.
A recent survey shows the number of people who shop in stores________,while far more are shopping online.
As________tourist attraction,the Summer Palace does have________strong attraction to visitors from home and abroad.
From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
Many grownups ________ challenging conversations with their children later this month to help them recover from the panic.