问题
ill come to attend your lecture at 10：00 tomorrow—— I’m sorry, by then my lecture will haveended and I＿＿＿myguests in my office
A:to work, to do
B:to working, to doing
C:to work, to doing
D:to working, to do
B:to working, to doing
C:to work, to doing
D:to working, to do
正确答案是：
同类题型
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