初一英语题目1、have a ___(wonder)time2、Thank you for ___(let) me kn

初一英语题目
1、have a ___(wonder)time
2、Thank you for ___(let) me know such important information
3、Best wishes ____ a happy New Year（填介词）
4、You will certainly fall behind the other students in the class _____ you don't work hard.
A after B if C before D until
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