相关试题
听录音，圈出你所听到的单词。
（1）went want wanted
（2）weather sweater where
（3）ate eat eats
（4）interest interesting excited
（5）Palace Museum Summer Palace summer holiday
I _____ open the bottle now. But I _____ open it a moment ago.
A. can’t, couldn’t B. can, could C. can, couldn’t
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