Scientists in Bonn have developed a method of listening to sounds from plants normally inaudible to the human ear. The basic technique (1) ______ developed in netherlands, but german equipment is
more sesitive.
........................
..........................
(8) A closer study showed it(9) _______ developed midew, a harmful fungus, though the symptoms were(10) ________ apparent.
1 I wrote had but it was wrong. Key : Was
can anyone explain why i can't write had in 1.
9 i wrote had and it was correct is it possible to write was in 9
1 and 9 are similar aren't they.
i need help with 10
how should i think ?
can the answer in 10 be clearly if not can anyone explain why.
i meen you can write clearly apparent
Top answer
A technique cannot develop on its own. People develop techniques. This is why 'had developed' can't work.
— Ivanhr
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