请您翻译:what is now proved was only was imagined.
请您翻译:what is now proved was only was imagined.
what now is proved was once only imagin'd中'd怎么理解这个用法
选哪个,请给出原因.A.proving B.proved C.was proved D.has been proved
His theory___to be true. A.proved B.was proved C.is proved D
请翻译:what was the problem
This is what was achieved.如何翻译
His plan ____to be a perfect one.A proved B.was proved C. is
What book was once owned by only the wealthy,but now everyon
Why was is only me
computer was only invented decades ago.it is wide used now a
what is还是what was
Output is now six time what it was before 1990.这里的what是什么意思?