Are these sentences correct?

1. wo3 Ji1 hu1 mei3 zhou1 wo3 dou1 （hui4）mai3 shui3 guo3. (Almost every week I buy fruit)
2. Wo3 mei3 tian1 shi4 zhejian1 chi2 chi1 shui3 guo3. (I try to eat fruit everyday)  Do you mean that 'I <a target="_blank" hidefocus="true" href="http://www.baidu.com/link?url=JSTyuim5yzQ7aOEqFbrazJ37VgaF3OsBOkuGfGNDRpxq67xsZ_tFrWwcYaLHNOZ9MYwT6AyBg1Z95yc_MHBso_b13ZKdzHrWBJ_k22jOBHW" style="color: rgb(51, 51, 51); font-family: arial; line-height: 20.02px; background-color: rgb(255, 255, 255);">insist on</a> eating fruit everyday'？
3. Mei3 ge4 ren2 dou1 xi3 huan1 hao3 de jing1 xi3. (Everyone loves a good suprise) jing1 xi3惊喜 means something which is unexpected but makes you happy   

4. Dang1 you3 ren2 dai4 lai2 le wo3 zui3 xi3 huan1 de shi2 wu4 ,yi4 wai4 zhe24 (jiu4) shi4 yi1 ge4 hen3 hao3 de jing1 xi3.
(A good suprise is when someone brings your favourite food unexpected) 

Thank you, xiexie.