Cloning plants is straightforward while cloning animals is _____________ more complicated.
Just because they make more money than I do, _____ they seem to look down on me.
It is going to rain today.Take an umbrella with you to _____ you from the rain.
My friend, Lucy ,can get 200 dollars more than she made _____in the primary school.
_____ is hard is to do good all one's life and never do anything bad.
—I've never found a better job and I’m so glad. — _____.