问题描述:
Bill had such a wonderful time ______ he visited her friends in Hangzhou last year.为嘛子...
Bill had such a wonderful time ______ he visited her friends in Hangzhou last year.
为嘛子选when不选that
Bill had such a wonderful time ______ he visited her friends in Hangzhou last year.
为嘛子选when不选that
问题解答:
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