1.Bob认为历史是一门很有趣的学科.
Bob (thinks ) history is (an ) (interesting ) subject.
2.你的英语老师来自哪里?他来自加拿大.
( Where ) (is ) your English teacher ( from )?
He ( is ) ( from ) Canada.
3.他经常给父母写信,告诉他们有关他的情况.
He often ( writes ) ( to ) his parents and tells them ( about ) himself.
4.足球和游泳是吉姆最喜欢的运动.
( Soccer ) and ( swimming ) are Jim's ( favourite ) (sports ).
5.星期天我最喜欢做运动.
I like ( doing ) (sports ) on Sundays.