⑴There's enough time for you to go to airport.You ＿＿ hurry now.
A.should B.needn't C.must D.can't
⑵－Mr.Li,I found a watch on the playground.
－You should try to find out＿＿.
A.whose is the watch
B.who is the owner of the watch
C.whom does the watch belong to