oh, Mary , there is only one apple left.Let me cut it ___ halves

Scientists have to work hard to keep _____ with modern discoveries and developments. [ ]

Great changes ______in our city. It is no longer ____ it used to be ten years ago.

Yao Ming is 2.26 metres tall. It’s very tofind a bed big enough for him.

People say your little brother hasbeen admitted into QinghuaUniversity—Yes Never ________ he could achieve somuch success