Directions:In each of the following groups of words, there are four underlined letters or ltter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet
A、 sweat
B、 please
C、beat
D、meat
Mary took a part-time job last summer, but her parents were unhappy about_____she did.
A、these
B、which
C、that
D、what
What can be infered from the passage about “language delay ?