—________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 |
相关试题
The room _______ every day. You can live it now.
| A．cleans | B．is cleaning | C．is cleaned | D．has cleaned |
----Why are you so _______,Amy?
----I thought I lost my purse, but I didn’t. I found it in my study!
| A．angry | B．happy | C．sad | D．nervous |
You can choose to watch TV at home _______ go shopping with me.
| A．and | B．but | C．so | D．or |
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