— Is your father in?
— No, he ______ for three hours.
| A．was out | B．has been out | C．went out | D．has gone out |
Thestoneis______heavy______Ican’tcarryit.
| A．too…to | B．so…that |
| C．such…that | D．not…until |
The beach in Hainan is a good place for us _____.
| A．relax | B．relaxing |
| C．to relax | D．relaxes |
The books in the library should ____ good care of.
| A．take | B．are taking |
| C．be taken | D．taken |
I first met him a week ago while I ______ along Bridge Street.
| A．walked | B．have walked |
| C．am walking | D．was walking |
We all love her songs, because she has a beautiful______.
| A．voice | B．laughter |
| C．hometown | D．fan |