_______December 11,2001, China formally became the 143rd member of the WTO
| A．in | B．On | C．At | D．Until |
--- Don’t worry. Your mother is coming to help you.
---_______ she doesn’t come and I am here alone?
| A．What about | B．What if | C．Why not | D．How about |
---Who is the girl in the picture ?
---Haha! It’s me! The picture ________ ten years ago.
| A．took | B．is taken | C．was taken | D．has taken |
--- Are you coming to Davy’s party, Kate ?
--- I’m not sure, I ________ go to the movies instead.
| A．would | B．should | C．might | D．must |
---What are you going to do this weekend ?
--- Well, we’ll clean up the city parks ________ it rains..
| A．if | B．until | C．while | D．unless |
---You’ve chatted for nearly two hours.
--- Yeah. We’re talking about the things ______ happened yesterday.
| A．what | B．that | C．when | D．where |