Используйте Present Perfect или Past Simple в следующих предложениях.

1.  America (to become) ________ a leading world power.

2.  We (not/to choose) ______ our future profession yet.

3.  He (to lose) ______ his documents 2 days ago.

4.  I (to forget) _______ your telephone number. Can you give it to me again?

Помогите вставить модальный глагол

1.  George has travelled a lot. He can/may speak five foreign languages.

2. To become a specialist one must/needs to get proper training.

3. Prison officers have/ought to work under stress.

4. I’m afraid I can/can’t participate in the scientific activities.

Используйте глаголы в скобках в Passive Voice (Present, Past, Future Simple).

1.  The Hermitage (to visit) ______ by thousands of people every year.       

2.  Economic problems (to solve) _____ in the nearest future.  

3.  Many drug-related crimes (to commit) _______ nowadays by juveniles.

4.  St. Petersburg (to found) _____ by Peter the Great as the “Window to Europe”.