--- What’s the problem, sir?
--- You at least at a speed of about 100 miles per hour.
| A．are driving | B．drove | C．were driving | D．have been driving |
One way for students to prevent H7N9 flu virus is to open the windows of the classroom to allow the air to ________.
| A．accumulate | B．circulate | C．illustrate | D．accelerate |
Now many 3D film directors tend to use state-of-the-art technology to the story , so that the films attract audience’s attention very much.
| A．bring; to light | B．get; across |
| C．bring; to life | D．get; through |
— Is your present pension sufficient to cover your cost of living?
— Enough and to spare. _________.
| A．I can’t complain. | B．Serve me right. |
| C．I’ve had enough of it. | D．I can’t be too particular. |
— I've decided to go back to school for some training in programming.
—. When would you like to start?
| A．Good for you | B．Up to you |
| C．You can have it | D．I got you |
I am afraid that Mrs. Black doesn’t believe her son is able to design such a complicated machine,?
| A．does she | B．aren’t I | C．is he | D．isn’t he |