________ volleyball is her main focus，she's also great at basketball.(2011·北京)
| A．Since | B．Once | C．Unless | D．While |
I was feeling left out in the new school Alice ,an easygoing girl from Canada ,came to stay with me．
| A．if | B．once | C．when | D．unless |
You can keep all the files and documentsyou think it is convenient to get them．
| A．what | B．how | C．where | D．when |
I can’t believe you got fined for speeding．Iof you to be the most careful．
| A．am thinking | B．think | C．have thought | D．thought |
As many as ten courses are provided ,and you are free to choosesuits you best．
| A．whatever | B．whichever | C．however | D．wherever |
—Mom ,I’m sorry to tell you I failedmaths test．
—Don’t lose heart．But, givensecond chance, you are supposed to pass．
| A．the；the | B．the；a | C．a；a | D．a；the |