1．Taxi drivers will get extra money from the government if the price of petrol continues to ________ ．

2．It's very cold in the room．Please ________ some wood ________ the fire．

3．He didn't work hard; ________ , he failed his exams last week．

4．You ________ have the work finished an hour ago．

5．________ those naughty boys, or you'll be in trouble．

6．I ________ being a torchbearer in the city．

7．I lent him some money last week, but he forgot to ________．

8．Thousands of tents have been ________ to shelter affected residents in the earthquake．

9．________ environmentally- friendly products will hit the market soon．

10．He ________ go to the cinema once a week．

He had no pen ________, so I lent him one．

A．to write

B．to write by

C．to write with

D．writing