you ___part in the party in time.sorry,i was delayed by the accidentA are supposed to take B have supposed to takeC are supposed to have taken 请每个都解释下、 谢谢、答案选C Coral is not a plant but a variety of animal life _____and br
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you ___part in the party in time.sorry,i was delayed by the accidentA are supposed to take B have supposed to takeC are supposed to have taken 请每个都解释下、 谢谢、答案选C Coral is not a plant but a variety of animal life _____and br
you ___part in the party in time.sorry,i was delayed by the accidentA are supposed to take B have supposed to takeC are supposed to have taken 请每个都解释下、 谢谢、答案选C Coral is not a plant but a variety of animal life _____and bright coloursA in different shapes B in a different shapes Cof different shapes Dof a different shape请每个都解释下、
you ___part in the party in time.sorry,i was delayed by the accidentA are supposed to take B have supposed to takeC are supposed to have taken 请每个都解释下、 谢谢、答案选C Coral is not a plant but a variety of animal life _____and br
be supposed to do是个结构,表示本应该...说话的时候,party已经结束,所以是描述过去的事情,应该对现在有影响,所以完成时态比较适合,就有be supposed to have done
of表示对属性的描述,不同形状的生物,用of表示“的”的关系,shape为什么用复数,是因为后面的colors就是复数,两者是并列关系的.