—I’m leaving now.
—________ you turn off the lights and the computer.
| A．To make sure | B．Make sure | C．Made sure | D．Making sure |
Jack’s parents can’t go to the parents’ meeting because they ________ to Beijing on business.
| A．went | B．have gone | C．will go | D．had gone |
Quite a few people were injured or killed in this traffic accident last week, ________?
| A．were they | B．did they | C．weren’t they | D．didn’t they |
Get prepared _______ you can set out immediately if something happens.
| A．after | B．since | C．while | D．so that |
While in college, Mak never minded ________ extra work for his class.
| A．to do | B．doing | C．do | D．did |
My little brother hopes ________ the film Dad, Where are We Going, though he has seen it twice.
| A．to see | B．see | C．to seeing | D．saw |