This test is designed for students ____native language is not English.
A、whose
B、whom
C、to whom
D、to whose
While ____ along the shore, I found a lot of sea shells.
A、walk
B、walking
C、to walk
D、walked
5.In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.