用括号内所给动词的适当形式填空.
小题1:
When I came into the classroom,Mr.Li (clean)the blackboard.
小题2:
The boy found a purse (1ie)on the ground and picked it up.
小题3:
Would you like (have)a try?
小题4:
Tina hopes she can (invite)to Mary's birthday party.
小题5:
Mr.Wang finds stamps fascinating.He (collect)them for many years.