I’m sorry to keep you ______ for an hour
题型:选择题
问题:
I’m sorry to keep you ______ for an hour. Now let’s begin our work.
A.to wait
B.waiting
C.wait
D.waited
I’m sorry to keep you ______ for an hour. Now let’s begin our work.
A.to wait
B.waiting
C.wait
D.waited