原句是His evidence proved to be .
His theory proved to be right.
______ was his advice that it proved to be worthless.
proved to be用法
His theory___to be true. A.proved B.was proved C.is proved D
proved to be,关于动词ed问题
The news____was spreading proved to be incorrect
His plan ____to be a perfect one.A proved B.was proved C. is
the operation proved to be very difficult.it proved to be __
my adviece proved to be correct my adviece was proved to be
To our surprise,the painting proved to be copied,______have
一:Their plan ____ to be a perfect one.A.proved B.was proved选
The search proved difficult和The search proved to be difficul