Recently, to maintain national balance, theChinese government has _____ a policy of encouraging college graduates to takepositions in rural areas.

Do you work or are you a student—__________. I’ve got a job and I study, too.

The science Festival is an occasion _____ modelplanes and model rockets are flown over the school grounds.

Those who show respect for others will be respected ______[ ]

Do you enjoy _____ music—Of course I do.