C、They don't experience separation anxiety as dogs do.
D、They respond to their owners’ voices less than dogs do.
This test is designed for students ____native language is not English.
A、whose
B、whom
C、to whom
D、to whose
1.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.