The direction        which the president would go was kept secret

        safety concern.

A.for;over                   B.from;about                      C.in;for                       D.at;as

The direction_____ which the president would go was kept a secret_____ safety concern.

A. for, over           B. from, about         C. in, for            D. at, as

Parents’ opinions on studying abroad differ greatly _____their children’s ____their aims.

A. in; from      B. from; in         C. from; about     D. in; on

The direction_____ which the president would go was kept a secret_____ safety concern.

A. for, over           B. from, about         C. in, for            D. at, as

The direction_____ which the president would go was kept a secret_____ safety concern.

A. for, over           B. from, about         C. in, for            D. at, as