No one except my parents _____anythingabout it

Try to_______ at least an hour every day for learning English.

We thought of selling this old furniture;but we’ve decided to_________ it. It might be valuable. [ ]

This question is rather________for a child of only five years old.That’s to say,you shouldask a simpler one.[ ]

The number of the cars owned by Shenyangers is reported to have been over 670,000 already and ______ about 275 cars a day.[ ]