—Tom has played a lot of computer games recently.
—Yes，that might ________his failure in the midterm examinations.
| A．account for | B．answer for |
| C．ask for | D．stand for |
It is no use ____ without _____.
| A．to talk, doing | B．taking, being done |
| C．talking, doing | D．being talked, being to do |
He is ill. He has kept_____.
| A．coughing all along | B．to cough at night |
| C．cough since yesterday | D．being coughed day and night |
Having finished the work,_____.
| A．it was almost six o'clock | |
| B．a postman came and delivered the evening paper and some letters | |
| C．supper had been already prepared | D．we had a rest and then had supper |
The boy had his leg _____ while ____ football.
| A．broken, playing | B．break, play | C．broken, played | D．broke, was playing |
He would rather ______ his parents with their housework than _____ out to play games.
| A．to help, to go | B．help, go | C．help, to go | D．to help, go |