Scientists study ________ human brains work to make computers.
| A．when |
| B．how |
| C．that |
| D．whether |
_____ medicine works in a human body is a question ____ not everyone can understand fully.
| A．How; that | B．That; which | C．That; which | D．What; that |
----Any news about Bill Clinton?
----He left power three years ago and has a little now and a little then been ______.
| A．heard of since | B．heard since | C．heard before | D．heard of before |
Beckham insisted the famous-brand car ____ to be sold out in order to pay back the debt.
| A．referred to | B．referred | C．referring | D．refer to |
----Do you have a doctor, Shylock, ______ Antonio's blood?
----That is not ______ the agreement.
| A．stop; on | B．stopped; according to | C．stopping; about | D．to stop; in |
----What about ______ school?
----It is as good, as anybody can see, _____ school as No 1 Middle School Attached to CCNU.
| A．a; the | B．the; a | C．a; a | D．the; the |