:高三上学期英语复习R01

21. —The young man spent as much time as he    experiments.
—No wonder, he succeeded   .
A. did; by the end                B. could do; in the end  
C. could doing; in the end       D. could to do; in the end
22.    the workers insisted on was that they   more pay.
A. hat; must be given         B. What; should give
C. What; be given          D. Whether; could be given
23. It was in the lab __ was taken charge of by professor Harries   they did the experiment.
A. which; that     B. that; where  C. whom; that       D. which; where
24. I dont think he could have done such a rapid thing last night,   ?
A. do I         B. had he   C. has he           D. did he