People who often stay up too late are more likely to die of heart disease，________ a study.
| A．with the help of | B．because of | C．according to | D．as a result |
In the west, people make _______ a rule to send Christmas present to their relatives and friends.
| A．this | B．that |
| C．it | D．the following |
“Look at that lady on the stage. She’s already forty.” “You are joking. She doesn’t look ________.”
| A．so | B．it |
| C．that | D．this |
Why don’t you bring ______ to his attention that you are too busy to do it?
| A．this | B．what |
| C．that | D．it |
They live on a busy main road. ______ must be very noisy.
| A．There | B．It |
| C．That | D．They |
They are good friends. _______ is no wonder that they know each other so well.
| A．This | B．That |
| C．There | D．It |