29. Can you say _____ certain when he will come here?
| A．at | B．for | C．with | D．In |
We’re going to visit so many ______ places and do lots of _______ things .
| A．exciting, astonishing | B．excited, astonished |
| C．excited, astonishing | D．exciting, astonished |
The money ______ you were to buy dog food is gone.
| A．with which | B．from which |
| C．which | D．that |
As the final examination is coming , the students are busy ____ it.
| A． preparing | B． preparing for | C．prepare | D．prepare for |
He likes the birthday presents ______ his friends gave him.
| A． that | B．it | C．what | D．where |
Upon ______ the office, he saw the message on his desk.
| A．he arrived | B．arrived at | C．arriving at | D．arriving |