With a report _____ about the accident, the policemanhas to find some witnesses for help.

Weteachersmustseeto________thateverystudentcanunderstand.

s he is, he is not particularabout____________he eats and drinks

Li Lei’s book is between Jim and_______.

is he exactly—I don’t know, but I saw him _______ an experiment in the lab when I passed by.