题目内容

28.My uncle said that he would telephone but I _____from him so far.

A. didn’t hear
B. hadn’t heard
C. haven’t heard
D. won’t hear

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29.The telephone ________ four times in the last hour,and each time it ________ for my roommate.

A. has rung; was
B. has been ringing; is
C. had rung; was
D. rang; has been

30.A storm ________ by a calm.

A. is often being followed
B. was often followed
C. is often followed
D. has often been followed

5.设置____值,可以使创建出来的选区边缘变得柔和。

____命令用于调整色彩的饱和度,它可以在增加饱和度的同时防止颜色过于饱和而出现溢色,比较适合处理人像照片。

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