Ⅰ.单句语法填空
1．I feel honoured to have (have) the opportunity to take part in the voluntary activity in honour of Lei Feng.
2．When combined (combine) with water，the white powder became light green at once.
3．As nobody here knows what is wrong with the machine，we must send for an engineer to handle (handle) the problem.
4．I am writing to see if it is possible for you to provide me with information regarding (regard) the job.
5．Drawing (draw) upon the money left by his father，Mr.Li set up a school for the leftbehind children.
6．Don't hesitate to make contact with me if you need any further information.
7．Times have changed and so have I.
8．We were driving along，when all of a sudden a car pulled straight out in front of us.
9．It was the technology brought in from other companies that gave life to this company.
10．Nowadays，the adults have great pressure，and the same is true of/for the children.
