问题
选择题
She spent a lot of time _________the fire that day．
A．to put out
B．putting out
C．to put on
D．putting on
答案
答案：B
此题重点考查句型结构为sb spend some time (in) doing sth/sb spend some time on sth意思是某人花费时间做某事；而put out表示扑灭之意，put on 表示穿上。