The cheering went on for quite some time _____ it died down and people took their seats again.
| A．Before | B．Since | C．As | D．when |
–The house ____ fire and was destroyed.
--Who ____ fire to the house?
| A．set; caught | B．caught; set | C．took; played with | D．was; caught |
A lot of coal miners died on the job last year, ____ the local government to shut nearly 500 small mines in Shanxi Province alone.
| A．forcing | B．to force | C．forced | D．has forced |
In Scandinavian countries it is common ____ for the husband to stay at home to look after the baby.
| A．use | B．sense | C．practice | D．idea |
He has ____ letters to deal with. He has to work from morning to night.
| A．many of | B．a great deal of | C．masses of | D．the number of |
Social attention should be paid ____ our earth from ____.
| A．to preventing; being polluted | B．to prevent; polluting |
| C．to prevent; being polluted | D．to preventing; polluted |