I’VE LOOKED ……..MY PEN EVERY WHERE BUT I COULDN’T FIND IT.A. UP B....

3. - DE KIEM TRA HKII ANH 9
Lớp 9 DE KIEM TRA HKII ANH 9

3. I’ve looked ……..my pen every where but I couldn’t find it.

A. up B. for C. up D. at