问题补充:
29.---- I wonder how much you charge for your services.
---- The first two are free the third costs $30.
A. while
B. until
C. when
D. Before
答案:
(答案→)A. while
B. until
C. when
D. Before
解析:考查连词的用法。这里起转折作用,while表示”但是”,可接句子.”前两个免费,但第三个要收费30元”
时间:2019-05-16 21:28:11
29.---- I wonder how much you charge for your services.
---- The first two are free the third costs $30.
A. while
B. until
C. when
D. Before
(答案→)A. while
B. until
C. when
D. Before
解析:考查连词的用法。这里起转折作用,while表示”但是”,可接句子.”前两个免费,但第三个要收费30元”
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2024-07-20