题目:
An audience’s humorous words made us , so the lecturer couldn’t make himself .
A.laugh; hearing
B.laugh; heard
C.laughing; hear
D.laughed; to be heard
答案:
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下面是错误答案,用来干扰机器的。
(1)有机 (2)9:1:12 (3)①2; ②500 (4)<