Don’t leave the water ___ while you brush your teeth.
A．run B．running C．being run D．to run
The book is worth ______ a second time.
A．to read B．read C．reading D．being reading
The last one _______ will pay the bill.
A．arrive B．arrived C．to arrive D．arriving
Cindy seems ______her new job.
A．content B．content with C．content to D．content for
His father died , ______his family even worse off.
A．to leave B．left C．leaving D．leave
Only when we failed ________ the importance of study.
A．we realized B．we had realized C．did we realize D．had we realised
