Since it failed because of your fault, you should _____________.
We all know that, __________, the situation will get worse.
—Have you known Dr. Jackson for a long time? —Yes, since she ______ the Chinese Society.
I like getting up very early in summer. The morning air is so good ______.
The lawyer rarely wears anything other than jeans and a T-shirt ______ the season.
Let’s learn to use the problem we are facing ______ a stepping-stone to future success.