Fill in the correct preposition. 1.have you lost anything? ` i`m pen. 2.do you get to ? 3.could you flowers while i`m away? 4.your test results always work.

1.Have you lost anything?` I`m looking. for..my pen.
2.Do you get to school.by..car or.on..foot?
3.Could you look.after..my flowers while I`m away?
4.Your test results always depend..on.your work.