答案:fundamental
答案:fundamental
A. A.advertise
B. B.advertisement
C. C.advertising
D. D.advertised
A. A.Had I known; would ring him up
B. B.Should I know; would have rung him up
C. C.If I knew; would ring him up
D. D.Had I known; would have rung him up
A. A.process
B. B.processing
C. C.processed
D. D.procession
A. A.That
B. B.What
C. C.It
D. D.As