— _____ do you have an art lesson?—Twice a month.A.How long B.How many C.How often
---Who teaches ______English --- No one . I teach _____at home.
There ______ a number of books on the bookshelf. And the number of the books ____ 50.
He his baby every day because his wife is very busy.
---_______ do you write to your e-friends? --- Almost twice a month.
It is really crazy ________ Peter to let his ________ son swim alone in the river.