I like getting up very early in summer. The morning air is so good ________.
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
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 |
_______ was known to them all that William had broken his promise ______ he would give each of them a gift.
| A．As; Which | B．What; that | C．It; that | D．It; which |
---- “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 |