—Do you have a basketball game?
—Yes,______.[ ]
A. we have
B. we do
C. we are
D. I am
B
密闭输油运行中,首站出力不足时,各站运行参数如何变化?
There is "h" and "n" in the word"hand". [ ]
A. an, a
B. a, a
C. an, an
D. a, an