小学六年级的英语问题,请大家帮助!

小学六年级的英语问题,请大家帮助!
( ).Shall we ________for a walk________ the lake.
A.go;in B.take;near C.go;around D.take;around
wait a minute _____________(填中文意思）

Mary is a little fatter than she wants to be.She____to lose some weight（减肥）.So she is on diet(节食）.She tries not to eat too ________.She eat very few sweets _______ it will make her _____.She does exercises every _______.She swims very often ,and she runs about two kilometres a day.Now she is very happy because she is thinner than _______.
Mary's sister is young and thin.She does _____every day,too.She doesn't __________much meat.But she eats a lot of fruit and vegetables because she think they are good for her health.