The science teacher made the students know that the moon _________ round the earth.

It’s bad for our eyes ______in bed.

blication of Great Expectations,which_________both widely reviewed and highly praised,strengthened Dickens,status as a leading novelist.

The adoption of orphans and physically challengedchildren has been a subject of publicdebate _____ a fire in an unregistered orphanage lastmonth

______ more，and you will improve your spoken English．