只有在知道主人喝酒的情况下,你才能送给他一瓶酒。
A.You will give the host a bottle of wine as a gift only when you know that the host drinks wine. B.You can give the host a bottle of wine as a gift only when you know that the host drinks wine. C.You can give the host a bottle of wine as a gift only you know that the host drinks wine.正确答案B