A、even if
B、 since
C、 whether
D、 until
答案：A
A、even if
B、 since
C、 whether
D、 until
答案：A
A. will take
B. would take
C. take
D. took
A. attended
B. had attended
C. would attend
D. would have attended
A. will he be
B. does he come
C. he will be
D. did he come
A. of speak
B. to speak
C. speak
D. to speaking
A. does the watch cost
B. did the watch cost
C. the watch costed
D. the watch cost
A. be
B. am
C. was
D. were
A. that; why
B. why; because
C. why; that
D. that; because
A. were really
B. has really been
C. had really been
D. would really be
A. at
B. of
C. on
D. in
解析：这道题考察的是介词的用法。正确答案是C:on。
在这个句子中，我们使用介词"on"来表示时间上的安排。"I'll have a test on writing next week."意思是下周我将要参加一次有关写作的考试。
举个生动的例子来帮助理解：假设你是一名学生，老师告诉你下周要进行一次写作考试，你可以说"I'll have a test on writing next week."表示你下周要参加一次写作考试。
A. done
B. does
C. do
D. did
