问题
选择题
Our friends were _______ busy ______ with each other _______the time.
A．so; talking; that they forgot
B．too; talking; to forget
C．too; to talk; to forget
D．so; to talk; that they forgot
答案
答案：A
本题考查too…to；so…that…和be busy的用法。be busy doing sth忙于做某事。
句意：我们的朋友忙于交谈，以致忘了时间。so…that…如此……以致于……。