—How about your travel? —You can hardly imagine what difficulty we have had ______ the vast desert.
—Look! Somebody _____ the sofa.—Well, it wasn’t me. I didn’t do it.
The success of a government should be measured ____ the health and happiness of the people as well as the development of the economy.
According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.
You can’t predict everything. Often things don’t_____ as you expect.
The young dancers looked so charming in their beautiful clothes that we took _____pictures.