"To be or not to be: that is the question" is a well-known quotation fromA．King Lear.B．Oth

Whether ways will be found to stop pollution or not is just which worries the public.

If I may be so ______ as to advise you, my opinion is that you should not reply to his let

There is no obvious difference for a child to be trained in Ivies or not.A．YB．NC．NG

That language can be used to refer to things that are not present in time or space is a go

"To be or not to be, that is a question" is quoted from Shakespeares famous playA．King Lea

It is essential that the temperature not be elevated to a point______ the substance formed