________ has been mentioned above,continued chairman after he took a sip of coffee,________ the project must be carried out before spring flood comes.
A.As;that B.That;which
C.This;which D.It;that
There is a common belief among them ________ rubbish can and should be put to good use.
A.which B.if C.whose D.that
China's success in manned-spacecraft travel shows ________ our country has become one of the greatest powers in space research.
A.what B.which C./ D.it that
________ you have seen both fighters,________ will win?
A.Since;do you think who
B.As;who you think
C.When;whoever
D.Since;who do you think
It was a matter of ________ would take the position.
A.who B.whoever C.whom D.whomever
—I drove to Zhuhai for the air show last week.
—Is that ________ you had a few days off?
A.why B.when C.that D.where