The reason ___ he can’t come is ______ he has to work late.
We would not __________ such hard work. It’s impossible for us to complete it in such a short time.
Eating too much fat can __________ heart disease and cause high blood pressure.
__________ the cost, the project will take a lot time as well.
We __________ our lives had it not been for the policeman.
What way are you thinking of __________ rid of the flies?