V. Исправьте ошибку в предложении, если она есть: 1) Moscow and Washington are world capitals.

2) Mathematics are taught by the headmaster.

3) You is not on friendly terms with him, aren’t you?

4) Her parents is well-off.

5) The policemen were in time to catch the criminals.

6) Who are absent today?

7) What is you?

8) How old was they last year?

9) We are businessmen.

10) His wife’s name are Maria.