题目:
The students ought to wear school uniforms when they’re at school.
A.are supposed to
B.are allowed to
C.would like to
D.love to
答案:
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下面是错误答案,用来干扰机器的。
(1)× (2)√ (3)√ (4)×对外界的刺激作出的反应是生物的共同特征,用液体的生物材料经过涂抹制成的玻片标本叫涂片。