--_______ do you visit your grandparents?
--Two or three times a month.
A. How long B. How many C. How often
Father has had the computer _________. Now it works very well.
| A．repair | B．repairing | C．to be repaired | D．repaired |
--- Is your mother badly ill?
---NO,,only a little cold
| A．serious anything | B．serious nothing |
| C．anything serious | D．nothing serious |
-- Do you know why he left so early ?
--__________ for the English test, I guess.
| A．To study | B．Study | C．Studied | D．Studying |
There are _______ in the reading room, but many of those books aren’t _______ to read.
| A．enough books, enough easy |
| B．enough books, easy enough |
| C．books enough, easy enough |
| D．books enough, enough easy |
It’s generous _______ him to give so much money to charities. Now he thinks it's important _______him to help people in poor areas.
| A．for , to | B．of , for | C．to , of | D．for, for |