[单项选择题]WearepleasedtoknowthatyouhaveplannedtocometotheAutumnGuangzhouFair.Wewishtodiscusswithyousomeotherimportantthingsifyoucouldcome______yourearliestconvenience.
A.by
B.on
C.in
D.at
参考答案:
D问题解析:
解析无
[单项选择题]WearepleasedtoknowthatyouhaveplannedtocometotheAutumnGuangzhouFair.Wewishtodiscusswithyousomeotherimportantthingsifyoucouldcome______yourearliestconvenience.
参考答案:
D问题解析:
解析无