As time went on, the police _______ their search for the _______ student.
| A．handled up; missed | B．defended up; losing |
| C．stepped up; missing | D．stayed up; lost |
The professor, _____ some of his assistants, _____ to attend our discussion this afternoon.
| A．and; is | B．as well as; is | C．or; are | D．except for; are |
______ is often the case, we have worked out the production plan.
| A．Which | B．When | C．What | D．As |
He didn’t make ________ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
In an attempt to save money, some housewives like to go from shop to shop to search for real _______.
| A．comments | B．champions | C．bargains | D．traditions |
I still remember the days___ I spent ______ with you in Beijing．
| A．when; staying | B．what; to stay |
| C．that; staying | D．during; to stay |