Usually children are allowed to ______ when they are six years old.
| A．attend school | B．attend the school |
| C．join school | D．join the school |
Sit down, Emma．You will only make yourself more tired,________on your feet．
| A．to keep | B．keeping |
| C．having kept | D．to have kept |
We __________back in the hotel now if you didn’t lose the map．
| A．are | B．were |
| C．would be | D．will be |
Nowadays people become more and more practical and buy only ____they need．
| A．where | B．which | C．when | D．what |
Don’t handle the vase as if it ____ made of steel．
| A．were | B．is |
| C．has been | D．had been |
To keep fit, the old man makes it a rule _____ for a walk after supper every day．
| A．going | B．to go | C．go | D．gone |