—What’s wrong with my computer, Jack?—Let me have a check. OK, it works now.—You mean, nothing wrong with it, ________ ?
— Dad, I’d like to go to the cinema with you. — Sorry, dear, but the film is _____ adults only.
I don't think the experiment is _____ failure. At least we have got _____ experience for our future work on _____ nature.
.He is really an excellent doctor and he is _____ to becoming an expert in this field.
The boy student is poor in health now; his parents wish that his health _____when he grows up
Don’t enter the office unless _______.