Решите уравнения:
а)-3х-2=5х+6
2
б)2х-1---=6х-3
5

Выберите правильный вариант ответа:

a)    do…..know

b)    have….known

c)     are….know

a)    have known

b)    have been knowing

c)     know

a)    lived/went

b)    had lived/went

c)     had lived/had gone

a)    was arriving

b)    had arrived

c)     arrived

a)    The

b)    A

c)     -

a)    am not finished

b)    haven’t finished

c)     didn’t finished

a)the

b)-

c) a

a)    stopped

b)    has stopped

c)     stops

a)    Have …had

b)    Did ….have

c)     Have…have

a)    begun/lasted

b)    had begun/lasted

c)     began/lasted

a)    prefers

b)    is preferring

c)     prefer

       12.He (to speak) to his boss last week.

           a) speaks

           b) had spoken

           c) spoke

        13. While my son …..for my call, somebody knocked at the door.

              a) was waiting

              b) waited

              c) wait

        14. He lives …Chicago.

              a) to

              b) in

              c) at

         15. Bye, see you …. Tuesday!

               a) on

               b) at

               c) in

          16. Barbara plays …the piano well.

               a) in

               b) –

               c) by

           17. Don’t phone Jim from 5 to 6, he (to have) English.

                a) will be having

                b) will have

                c)will having

            18. By the time I come, they (to go).

                 a) will go

                 b) will be going

                 c) will have gone

 Пожалуйста решите уравнение (желательное ПОЛНОЕ решение)

1) sin(в квадрате) x + sin x - 2 = 0

2) 3 sin(в квадрате) x - cos x + 1 = 0

3) cos(в квадрате) x - cos x - 2 = 0

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