I HAVE BEEN LOOKING _____ THIS BOOK FOR MONTHS, AND AT LAST, I HAV...
18. I have been looking _____ this book for months, and at last, I have found it.
A. over
B. up
C. for
D. at
18. I have been looking _____ this book for months, and at last, I have found it.
A. over
B. up
C. for
D. at