You have been tasked with creating Business Events for an E-Business Suite workflow project. Whatwould you use to create your Business Events?（）
第1题：
A、tire, did…do
B、tiring, have…done
C、tired, do…do
D、tired, have…been doing
第2题：
If you had been have yesterday，you______(see)his father.
第3题：
A.Do you try
B.Have you tried
C.Are you trying
D.Have you been trying
第4题：
— How long _____ at this job? — Since 2000.
A、were you employed
B、have you been employed
C、had you been employed
D、will you be employed
第5题：
A、might meet
B、might have met
C、may have met
D、may have been met
第6题：
Where ________ you ________?
A.are/be
B.have/be
C.is/be
D.have/been
第7题：
Have you ever been to the place? You can see many places of interest there．（合并为一句）
Have you ever been to the place ________you can see many places of interest?
第8题：
A. have understood
B. understood
C. will understand
D. would have understood
第9题：
A: How have you been? B: Fine.()
第10题：
A.must be
B.has been built
C.must have been
D.could have been