部颁CDT规约遥信的控制字有哪些（）
A.F4
B.61
C.B2
D.80
参考答案：A
She spent a lot of time _________the fire that day．
A．to put out
B．putting out
C．to put on
D．putting on
From the middle part to the end of the 18th century, in English literature （） flourished. They were mostly stories of mystery and horror which take place in some haunted or dilapidated middle age castles.
