Farmers can save a considerable amount of pesticide by_________.
A. transforming poisoned rain
B. consuhing infrared scanning experts
C. resorting to spot-spraying
D. detecting crop problems at an early date
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A.summerB.springC.winterD.fall
A. summer
B. spring
C. winter
D. fall
I remember he’s written a book_________I've completely forgotten.
A. which name
B. the name which
C. the naIne of it
D. whose name
()
A. hard
B. easily
C. helpfully
D. greatly
A.sizeB.prizeC.existD.plne
A. size
B. prize
C. exist
D. plne