---Who teaches ______English --- No one . I teach _____at home.
| A．you ; myself | B．you ; me |
| C．your ; me | D．your ; myself |
There ______ a number of books on the bookshelf. And the number of the books ____ 50.
| A．are; are | B．are; is | C．is; is | D．is; are |
He his baby every day because his wife is very busy.
| A．puts on | B．wears | C．dresses | D．is in |
---_______ do you write to your e-friends? --- Almost twice a month.
| A．How long | B．How often | C．How far | D．How soon |
It is really crazy ________ Peter to let his ________ son swim alone in the river.
| A．for; 5 years old | B．of; 5 years old |
| C．for; 5-years-old | D．of; 5-year-old |