A computer can only do ____ you have instructed it to do.
—You have a beautiful garden. May I have a look around it?—I’m glad you like it.Go ahead if ___.
Some of you have finished Book One. ___, you can go on with Book Two.
—Who should be responsible for the accident?—The boss,not the workers.They just carried out the order ___.
—Have you got any particular plans for the coming holiday?—Yes. ___, I’m going to visit some homes for the old in the city.
Every evening after dinner, if not ___ from work, I will spend some time walking my dog.