14．Nowadays more and more students are working directly on the Internet ________ different types of courses are supplied.
A．that B．which C．where D．whose
答案 C [此处为where引导的定语从句。]
15．His idea of having weekly family meals together，which seemed difficult at first，has ________ many good changes in their life.
A．got through B．resulted from
C．turned into D．brought about
答案 D [bring about带来，导致。]
