1When()you()it?A did;do B have;been doing C are;doing D have;done_英语解答

1When()you()it?
A did;do B have;been doing C are;doing D have;done
2They()about the results of the experiment.
A excited B were excited C were exciting D have exciting

人气：366 ℃　时间：2020-02-04 04:24:21

解答

a
你什么时候做的?
B
他们为那个试验的结果感到兴奋