2.Did the student finish his work two hours ago? Were two persons detained in the restricted zone? Must you wash the dishes? Is he saying a password
3.Will his cousin meet me or my sister? Do the border guards find out the details of crossing the border or traces of the border violator? Has student Ivanov or student Petrov prepared his answer? Is the violator armed with an automatic pistol or a gun? 4.Where were our friends to meet? What did he want to find? Where did they loose each other? What does this border guard do well?
5. 1.dont they? 2. isnt it? 3.doesnt he? 4. is he?
6. Who was a single child in the family? What contains a lot of illustrations? Who wants to visit my relatives in Moscow? What is various?