Look at the sign. No ,please.
| A．photo | B．photos |
| C．photoes | D．photoing |
--Why is she at Xiao Ying’s home? --_________ they are friends.
| A．So | B．For | C．Since | D．Because |
We are ________ a school trip..
| A．in | B．on | C．at | D．for |
---When is Christmas? --- It’s _____ December 25.
| A．in | B．to | C．on | D．at |
---Is Nancy doing her homework? -----___________.
| A．No, she is | B．No, she isn’t |
| C．Yes, she does | D．Yes, she isn’t |
What ___________?
| A．does happen | B．is happening |
| C．do happen | D．are happening |