It was playing computer games ____ cost the boy plenty of time ____ he ought to have spent doing his
lessons.
| A．what; that | B．that; when | C．which; that | D．that; that |
推荐套卷
It was playing computer games ____ cost the boy plenty of time ____ he ought to have spent doing his lessons.
| A．what; that | B．that; when | C．which; that | D．that; that |
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