This photo reminds me ____ the days when Iworked ____ thefarm with my classmates.

My uncle has a lot of books, _______ are about computer science and technology.

Please________who broke the window.

______ students should be given more freetime is suggested by many experts and welcomed by kids in school

The Russian rocket designer has diedFor many years, he ______ as an important assistant to the father of Soviet space program