This kind of cloth _______ well. I think it is worth _______.
Corruption is a problem in countries across the world, with developing countries often _________ more serious, although there is no evidence to suggest this is the case.
________ fuel supplies being finite and many people being wasteful, we will have to install some type of solar heating device in our home.
Mid-Autumn Festival is special holiday for most Chinese when_______ whole family will get together.
. ----How did you find your visit to the Summer Palace yesterday?----_____. I got separated from my 80-year-old grandparents
He could have helped us, but he ____ from coming in time by a traffic jam.