A. in; in B. in; with C. with; by D. with; with
A. in; in B. at; in C. in; by D. from; in
A. from; at B. of;in C. of;on D. for; during
A. when; at B. because; in C. if; for D. though; at
After B. In C. From D. Since
A. to have found B. with finding C. to find D. in finding
A. about B. with C. for D. of
A. to be polluted B. from polluting C. from being polluted D. polluting
A. The teacher as well as B. Nobody but C. The teacher besides D. All except
A. together with B. like C. and not D. but in addition to