Professor Hawking stepped into the office he knew that there was no hope

go swimming with Dad , Mum —-No ，you needn’t. You can go bike riding.

30______ the news that her son was still alive, tears rolled down the old woman’s face

Do you like _____—– No, I like blue.

I read the 21st CenturySenior 2 Edition every day. —_____ no wonder that your vocabulary is solarge.