_________ one thing and another we have up to now failed to take any action.

To say something _______ one thing, to do it _____ another.A、is; isB、are; areC、is; areD

Importing and exporting is transferring goods from one country to another while _______ attention to the laws and requirements of bringing goods out or into that country.

There are_____I want to tell you.A．one or two thingsB．either one thing or another thingC．n

His ______ brain and boundless energy drove him from one great invention to another.A．rich

He will not leave for America—for one thing, he hasnt recovered yet, and ______, he doesnt

There are_____I want to tell you.A.one or two thingsB.either one thing or another thingC.n