Чи є корінь в слові Село ? Як що так то де?

В баллоне находится масса m1=10кг газа при давлении р1=10 МПа. Какую массу газа взяли из баллона,если давление стало равным р2=2,5 МПа? Температуру газа считать постоянной.

IV. Supply some, any, no, where required

I.        ... pupils went to the river ... to the woods. 2. ... of my friends live in Moscow. 3. ... have
you ... English dictionaries? 4. Is there ... ink in the inkstand? Yes, there is ... 5. Bring ... chalk,
please. 6. There is ... chalk in the box. 7. Is there ... milk in the jug? Yes, there is....

V. Choose the correct variant

 1. Before you ____, don't forget to lock the door.

  -are leaving                  -will leave                -leave                     -shall leave

 2. Please do not speak to anyone before the police ____ .

  -come                       -are coming                 -’ll come, came

 3. His parents will be very glad if she____ the university.

  -enter                       -’ll enter                       - enters                    - entered

 4. When you ____ my brother, you ____ him.

  -'ll see;   - won't recognize;    - see won't recognize;    -saw, recognize;    -'ll see, don't recognize

 5. We won't discuss the matter until the headmaster ______ .

  -'ll arrive                - won’t arrive                - doesn’t arrive-         -arrives

. Choose the correct variant

 1. Before you ____, don't forget to lock the door.

  -are leaving                  -will leave                -leave                     -shall leave

 2. Please do not speak to anyone before the police ____ .

  -come                       -are coming                 -’ll come, came

 3. His parents will be very glad if she____ the university.

  -enter                       -’ll enter                       - enters                    - entered

 4. When you ____ my brother, you ____ him.

  -'ll see;   - won't recognize;    - see won't recognize;    -saw, recognize;    -'ll see, don't recognize

 5. We won't discuss the matter until the headmaster ______ .

  -'ll arrive                - won’t arrive                - doesn’t arrive-         -arrives

    Replace the infinitives given in brackets by the Past Simple:

1    That boy (break) my window.                

 2    I (drive) to work every day last year.

 3    Laura  (hit) that boy.

 4    James (keep) the book about films.

 5    We (meet) them at the same place every week.

 6    You (put) that there.

 7    We  (sit) at the same desks.

 8    An American (win) Wimbledon last year.