The children are having a good time, ______ with sand, others with toys．
A．some of them playing B．some of them are playing
C．some of them D．who playing
The reason ______ his coming to China is ______ he wants to study in China．
A．why; that B．why; because C．for; that D．for; because
On the opposite wall _____ one map _____ dozens of pictures．
A．hangs , and B．hangs ; as well as
C．hang ; or D．is hanged ; with
---____ will we have to go?
---Just one mile．Keep walking．
A．How long B．How far C．How fast D．How much farther
With so many children ____round the table, the food disappeared_______．
A．seating, at no time B．seated, in no time
C．seated, at no time D．seating, in no time
---Remember the first time we met, Mary?
---Sure．You ______ in the supermarket．
A．had shopped B．have shopped
C．were shopping D．shopped
