In class the professor__________ the finance project in simple but vivid language to make it easier for us to understand.
The walkman I bought yesterday is quite different from _______ you bought last month
Only then _____ how much damage had been caused.
As we all know,dark glasses can ________ the eyes from strong sunlight.
How the big forest fire has remains to be a mystery.
It was on October 1st _____ new China was founded.