Students must be strict _________ theirstudies and teachers should be strict ________ their students.

This pair of glasses _______you _________.

下列各句中，没有语病、句意明确的一句是( )

Zhang Lei won “The Voice of China” 2015 season at the Bird Nest in Beijing on Oct 7, 2015, with years of experience ________ him.

She won the first prize, though none of us had ____________ it.