Lucy will come to China for a visit ______ a few days．

　　A．in　　B．after　　C．before D．until

Learning a new skill ______ a long time．

　　A．spends　　B．costs　　C．takes　　D．pays

Go to ask the secretary ______ she could come．

　　A．that　　B．how　　C．if D．where

I know that some foreigners ______ China a very strange country．

　　A．make　　B．find　　C．believe　　D．think

Why is she always so ______?

　　A．happy　　B．happily　　C．happiness D．unhappiness

He told me ______ worried him was his mother's stomach．

　　A．what　　B．that　　C．which D．how

We knew each other better ______．

　　A．day after day

　　B．day by day

　　C．day with day

　　D．day to day

I just asked him ______ he smiled at me in that strange way．

　　A．that　　B．which　　C．what D．why

桾om! You forgot ______ the door when you left．

　　桯ow come? I remember ______ it when I left．

　　A．to close；to close

　　B．closing；closing

C．to close；closing

D．closing；to close

At that moment，our monitor entered ______ the classroom．

　　A．to　　B．into　　C．in D．／