1.I hear your father _______to Japan once.

1.I hear your father _______to Japan once.
--Yes,he _______there last spring.
A.has been;has been B.goes;went
C.has been D.went;has been
2.The man is running around the playground.He must be _____for exercise.
A.running B.ran C.run D.runs
3.Have you ever taken a trip?
--A trip?No,I____away from my hometown.
A.went B.have gone c.have never been D.have been
4.Children should not _______to play along the river.It's too dangerous.
A.allowing B.to be allowed C.allow D.be allowed
5.What _______ you do if you _______the president?
A.do;are B.would;were C.will;were D.do;were