It is dangerous to __________ in the forest,because you are easily lost.
------- Would you mind opening the door? It is too hot. ------- ________
The reasonhe didn’t go to school yesterday washe was ill.
After living in Paris for fifty years,he returned to the small townhe was raised.
Jim passed the driving test , ________ surprised everybody in the office.
The American girlfather is an engineer is my pen friend.