When deeply absorbed in work，________he often was，he would forget all about eating or sleeping. (2012·北京，26)
| A．that | B．which |
| C．where | D．when |
New York State has passed a law requiring that all legal contracts _____ in simple, understandable English.
| A．be written | B．written |
| C．to be written | D．write |
When we first met Eliza, she had no manners, but said ______ her head, without thinking.
| A．no matter what entered | B．anything came into |
| C．whatever entered | D．what there was came into |
Some schools, including us, will have to make ______ in agreement with the national soccer reform.
| A．attachments | B．adjustments |
| C．comments | D．achievements |
An increased concentration of carbon dioxide and certain other gases in the Earth’s atmosphere ______ global warming.
| A．contributing to | B．contribute to |
| C．contributes to | D．to contribute to |
Sometimes I act as a listening ear for fellow students ______ what is bothering them.
| A．to talk over | B．talked about |
| C．talk about | D．having talked over |