动词填空 用括号内所给动词的适当形式填空。(本大题共8分，每小题1分)
We should do what we can _________ ( improve ) our spoken English.
I didn’t hear what you said, for I _________ ( write ) a letter carefully at that moment.
There _________ ( be ) a wonderful competition this coming Saturday, isn’t there?
None of us _________ ( offer ) any information about when and where to meet him last Sunday.
The reporter _________ ( interview ) at least ten top leaders from different countries in the last three years.
The woman often _________ ( relax ) herself by walking after dinner.
Your coat is really dirty. Don’t you think you should have it _________ ( wash ) in time?
Many children in Britain _________ ( allow ) to have their own bank cards these days.