-- ___ animal was the second of the twelve？
-- It was the ox.
-- It was the ox.
| A．Who | B．Which | C．How |
-- ___ does each animal come around?
-- Every twelve years.
-- Every twelve years.
| A．How often | B．How much | C．How long |
--_________ did you finish your piano lessons?
-- Last summer.
-- Last summer.
| A．Where | B．What | C．When |
Please give _____your pen. _____pen isn’t here. ( )
| A．I, My | B．me, I | C．me, Mine | D．me, My |
______ is the difference between the moon and the stars?( )
| A．How | B．What | C．Why | D．Who |