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.don't they? 2. isn't it? 3.doesn't 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?
2 When I come, Anna will have already bought all the necessary things that you need and I'll help her to cook dinner.
3 By the time you return to this city, they will have demolished all the old houses in the center.
4. Before students write this test, they will have repeated the entire grammar material.
5. I'm afraid you won't recognize him. When you see him again, he'll have grown a long beard.
6. By the time you get back from vacation, your coworkers will have picked a new President for the company.
7 By the time the doctor comes, the patient will have been dead.
8 Before Laura goes to bed, she will have checked her children's homework. 9 Before I go to work, I'll feed the puppies.
10. Before the owner closes the store, he will have recalculated all the money.