——________do you go to the dentist?
——Let me see, twice a year, maybe.
| A．How many | B．How much |
| C．How often | D．How soon |
—What did he say just now? —He said ___________________________.
| A．what time the library was build. |
| B．he has made many mistakes in the exam. |
| C．if the teacher would ask him to go to the office the next day |
| D．his mother had waited for him for 20 minutes at the school gate. |
The book _______ I found on my way home is my brother’s.
| A．that | B．who | C．this | D．What |
Armstrong became interested in _______ ever since he took his first _______ at the age of six.
| A．fly; flying | B．flight; fly | C．flight; flying | D．flying; flight |
How many times have youthe Science Museum?
| A．gone to | B．been in | C．been to | D．went to |
If you want to go , the library is a good choice.
| A．somewhere quite | B．to somewhere quiet |
| C．quiet somewhere | D．somewhere quiet |