問題詳情:
We are thankful to those who supported us when we were __________ trouble.
A. in B. by C. about D. for
【回答】
A
知識點:介詞和介詞短語
題型:選擇題
問題詳情:
We are thankful to those who supported us when we were __________ trouble.
A. in B. by C. about D. for
【回答】
A
知識點:介詞和介詞短語
題型:選擇題