Question

She spent a lot of time _________the fire that day．

A．to put out

B．putting out

C．to put on

D．putting on

Answer 1

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。