In his e﹣mail， David promised _________his daughter during her stay in Japan．（ ）
A．visitingB．visitC．visitedD．to visit
—Thank you for showing me around your school, Daming.
—_____________.
| A．Don’t mention it | B．Never mind |
| C．Of course not | D．No problem |
We are playing football. Come and ______ us.
| A．joins | B．joining |
| C．join | D．to join |
---_________ the door, please.
---Please come in. The door________.
| A．Be open; opens | B．Be open; is opening |
| C．Open; is opening | D．Open; is open |
I don’t think it is a good idea, ________ ?
A. isn’t it B. is it C. do we
Some of the apples are bad,but I believe the rest sweet.
| A．taste | B．tastes | C．are tasted | D．is tasted |