问题
选择题
Well, we have been waiting here＿＿＿＿＿for the guest.
A．long time
B．a long time
C．the long time
D．some long time
答案
答案：B
a long time前省去了介词for。
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Well, we have been waiting here＿＿＿＿＿for the guest.
A．long time
B．a long time
C．the long time
D．some long time
答案：B
a long time前省去了介词for。