Come closer. If you look_____, you’ll find there is something wrong with the machine.

Be careful . You _______ cross the road when the traffic light is red . The traffic is heavy at this time of day .

Hi, _________ are you going? —To the zoo. I want to see some animals.

.— Is there any possibility ____ you could pick me up at my office at 7：00 tomorrow evening?— No problem.

_____ you call back tomorrow?–Of course I can.